OpenTechnical

OT-2026-000042673

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three 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-2026-000042673) never changes.

Identity and time

Publication numberOT-2026-000042673 · never reused
Internal UUID01a0ae7a-c0cf-7713-b0a4-3dd936956a0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042673
StatusPUBLIC

Content hashes

Canonical text13135ec12676012d8c0d32de9bc6c9b7fae415d1a84b7e48b504872fde71c995
Markdown16367778bcdb8ef20d6af41381764f38c0b794cef1f31849cf4c75ebe96792df
PDF
Publication page314912e4cfc6962feae253e3762d9ef96f06229174a032ff7f1807a94d1d0b0d
Manifest31ec642d8a1bfe7366432a695df5f9f1cf8d7c438d242111895c7252528cde86

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
SignatureWpDIwMZBkKwQO5fEoAkoF9F3wHI2w67QZWLZqbfmlHpSiqFcaha6AIQtEzaGwc84F1vJuKKlDz88eal4EWbhDQ==
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

2026-09-17T11:15:01.353867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042673
observed 314912e4cfc6962feae253e3762d9ef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.335068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042673/manifest.json
observed 31ec642d8a1bfe7366432a695df5f9f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.316691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042673/publication.md
observed 16367778bcdb8ef20d6af41381764f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:01.296494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042673/publication.txt
observed 13135ec12676012d8c0d32de9bc6c9b7...
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.