OpenTechnical

OT-2026-000010988

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, vented 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-2026-000010988) never changes.

Identity and time

Publication numberOT-2026-000010988 · never reused
Internal UUID01a0ae6c-540e-7fb7-811a-2171fddc074e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010988
StatusPUBLIC

Content hashes

Canonical textf73430ddf842bb2b92266dab50767e8b9d02a36a7b5b5b19452050d358c0802e
Markdown720bc510150d7dec9f6cd127cf6b8473b69c42931fc4c8c2ee6a563f81300ce6
PDF
Publication pageb9166395c282710435d27f4e0d2ec71f87c1776fadda8341642b67970341c128
Manifest8126ca2178a9d996d02bdc2ca92f7d8fc29d4d6a37c4f16bfc3723e08aae9adf

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
Signature7y9KySLct8QbsA2W2b68W41X6OjnIJjVpVtqlm79na+SR70nO03M7MpH06frhRSgIp+dqor33dBG5eeJ+K2vBg==
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

2026-09-17T12:13:47.514448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010988
observed b9166395c282710435d27f4e0d2ec71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.494396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010988/manifest.json
observed 8126ca2178a9d996d02bdc2ca92f7d8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.474795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010988/publication.md
observed 720bc510150d7dec9f6cd127cf6b8473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:47.454353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010988/publication.txt
observed f73430ddf842bb2b92266dab50767e8b...
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.