OpenTechnical

OT-2026-000052245

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000052245) never changes.

Identity and time

Publication numberOT-2026-000052245 · never reused
Internal UUID01a0ae83-e791-7a55-85f4-8c2bf4b2e86f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052245
StatusPUBLIC

Content hashes

Canonical text49995c303921945b619c8a71439152fb71d637a2ae00bf2bd942eac56b905b00
Markdown3d251095014d7f7012266249e8b22d1cef55c3dc588ecefac7df57d8123d87bf
PDF
Publication page7aaa27d98378bf7678242b982445b2c3b976c568b090f3555627809aefca40b6
Manifestb9c7579f0dd8c273705e3b2bd3070b7cf806e0548027ff1f526e95678e55ec0a

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
SignatureiTV5huf99Wu8V/IzLh5cJh3mQ0cwbSoUR96tSBraZedStKCFR7vqFDoSUDwbbzvG3fgeIYS2814PVhEgi6arBQ==
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

2026-09-17T10:57:49.534129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052245
observed 7aaa27d98378bf7678242b982445b2c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.516851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052245/manifest.json
observed b9c7579f0dd8c273705e3b2bd3070b7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.496911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052245/publication.md
observed 3d251095014d7f7012266249e8b22d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.479875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052245/publication.txt
observed 49995c303921945b619c8a71439152fb...
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.