OpenTechnical

OT-2026-000009483

Publication integrity record

Foam pad vacuum gripper, two zone face, pump fed, pulsed 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-2026-000009483) never changes.

Identity and time

Publication numberOT-2026-000009483 · never reused
Internal UUID01a0ae6b-7562-75ab-bb80-984776a88d6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009483
StatusPUBLIC

Content hashes

Canonical textfb52c0236193a3fefda67515034a224f130e494bb335084102e1bd0622620499
Markdown35cafdae35d0102756afcb1b35d0120f2430f5b9116d98b1c9d8cd9532238f2b
PDF
Publication page2a9c90517bd016a0392a99996807090047af48adaafd9369493256cac578a5b4
Manifest68d0003ce8b3de344b0f254a877948dddfa27769a99d73e4e39fadbb89bdd1af

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
Signature9VuNjoBIg1fv5DD5C5wCmI51Ic5+aaAQUAKZKtQrF6xpx4N2vXTPGBRR/zZY8iwyqaWCV8INSX7BBLE64t0tDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:52.925726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009483
observed 2a9c90517bd016a0392a999968070900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.877550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009483/manifest.json
observed 68d0003ce8b3de344b0f254a877948dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.855926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009483/publication.md
observed 35cafdae35d0102756afcb1b35d0120f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:52.808740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009483/publication.txt
observed fb52c0236193a3fefda67515034a224f...
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.