OpenTechnical

OT-2026-000030871

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pulsed blow-off 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-2026-000030871) never changes.

Identity and time

Publication numberOT-2026-000030871 · never reused
Internal UUID01a0ae74-3fb5-7645-97a3-06a47ce6bdce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030871
StatusPUBLIC

Content hashes

Canonical textea095f7832163476eef449cff8893805629cba9e5a7cb4693c80e9102c0202ed
Markdownfe3efb96079a8655e48ad86ca7710c3ec731b52c6347f1f0fd9280fea51c7d24
PDF
Publication page25d4f3fd365f8c8432ffc69b951fa1ecce291950503f5ecce58da587f06cc71b
Manifest8d6c40587f25d073c516300e83d4f0272aca400c53765051bccd3359b42c417d

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
Signature9nLPKZUK1IyOK5/UzakitJEtjGG9UufjCMEtprIaFg8/6ZCNRkLiaDqA/CMtnOvKJ4zdiAL01jl96NYZdGSKCA==
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

2026-09-17T11:36:51.020870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030871
observed 25d4f3fd365f8c8432ffc69b951fa1ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:51.004182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030871/manifest.json
observed 8d6c40587f25d073c516300e83d4f027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.986918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030871/publication.md
observed fe3efb96079a8655e48ad86ca7710c3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:50.969522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030871/publication.txt
observed ea095f7832163476eef449cff8893805...
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.