OpenTechnical

OT-2026-000009788

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000009788) never changes.

Identity and time

Publication numberOT-2026-000009788 · never reused
Internal UUID01a0ae6b-7565-79a5-bf0f-fac26fbd8d6d · 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-2026-000009788
StatusPUBLIC

Content hashes

Canonical textff1d304864f8e43de7221bc180e4b7e68269dd19bbdd06fd578174643b13c9a4
Markdownec42039f9453fa2a97dcb4b6850fd2a2e0d2dc33772ca7b004b64f6ff0738e45
PDF
Publication page6802f504a4a4ab146241d10d0e748cd0ad2944971a5497211ff62eff4427fb93
Manifest25b0cedd1188de9187afb1127c77d905a390c9c227f2331e39b242ac52295fd1

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
SignatureKT21YCycwMnbP5FJp0TUI9yTRa/40tdiBTuzQXbaw/CliBw5S7yKXFhE3eANUeFr5qXtnEdSlkXH1o0WNCwCCg==
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

2026-09-17T12:17:18.348059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009788
observed 6802f504a4a4ab146241d10d0e748cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.325708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009788/manifest.json
observed 25b0cedd1188de9187afb1127c77d905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.307751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009788/publication.md
observed ec42039f9453fa2a97dcb4b6850fd2a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:18.288682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009788/publication.txt
observed ff1d304864f8e43de7221bc180e4b7e6...
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.