OpenTechnical

OT-2026-000043842

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043842) never changes.

Identity and time

Publication numberOT-2026-000043842 · never reused
Internal UUID01a0ae7b-d677-73f9-95f1-d05d2024c05f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043842
StatusPUBLIC

Content hashes

Canonical textb95ba4506e909ef0bb3f2fc080d85fdd6ce07ede06b0f45d5210fe9c7b9da5c5
Markdown4148d276144bcf23946e118f43f0b3e718fc79dd77789f9040dc16d0af163c9f
PDF
Publication page61c1c909df1ff319b50f0bfd6d09a83c101bb52d7b8e682e00d4a78fd5fc709e
Manifest67b629a7a1f641d7d17889050e5ea6996bf8cf54867d66370ccaa6c41b8a2f53

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
SignatureNjxw1vjeEypHaQ3dfYZ0HovXn1xN8jTfMbWabnLhUsQ9/8oxrKsGyu9l0e3LOOzcJZKU9PqcKT9LakrOIMDkBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:12:09.424052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043842
observed 61c1c909df1ff319b50f0bfd6d09a83c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.406795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043842/manifest.json
observed 67b629a7a1f641d7d17889050e5ea699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.387573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043842/publication.md
observed 4148d276144bcf23946e118f43f0b3e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:09.368476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043842/publication.txt
observed b95ba4506e909ef0bb3f2fc080d85fdd...
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.