OpenTechnical

OT-2026-000057221

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057221) never changes.

Identity and time

Publication numberOT-2026-000057221 · never reused
Internal UUID01a0ae87-d5bb-7ffe-bff5-41c667bd641a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057221
StatusPUBLIC

Content hashes

Canonical textd94dd1af860e18c6049493491a7ad7a113ed80a4ca80f59b4e83b4d994d18520
Markdown114b80d5911c6976d42f76edfe7c2e008591bf727caea02a081490e4300f7547
PDF
Publication page28863de3b50998beb30020e9d6260b68b678482e92a28b965cb4a2e89251b5fe
Manifest5ae1b47d6273bc076202bb3b239ab699951279350b6f5e2a02f970ce5aa9d379

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2tycC+Z6A4qu0v3JpxGcdx8xZgOrl/iyYTRYqEyzrnqPvobkCuTrvf2lGsrL/Ui9ftEDiH+xudn6nzp/yOgkDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:16.577712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221
observed 28863de3b50998beb30020e9d6260b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.555447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/manifest.json
observed 5ae1b47d6273bc076202bb3b239ab699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.535234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/publication.md
observed 114b80d5911c6976d42f76edfe7c2e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.514482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/publication.txt
observed d94dd1af860e18c6049493491a7ad7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.241924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221
observed 28863de3b50998beb30020e9d6260b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.222752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/manifest.json
observed 5ae1b47d6273bc076202bb3b239ab699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.204600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/publication.md
observed 114b80d5911c6976d42f76edfe7c2e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:22.187386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057221/publication.txt
observed d94dd1af860e18c6049493491a7ad7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.