OpenTechnical

OT-2026-000050767

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000050767) never changes.

Identity and time

Publication numberOT-2026-000050767 · never reused
Internal UUID01a0ae82-c7b1-7e89-a6ce-29e9853fd5e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050767
StatusPUBLIC

Content hashes

Canonical text3a15fc996d9122ddc89530cacf435abba5d97a8fe639e220a5387c16257373cc
Markdown54697487f97421e6f022b2fd50bb1b8f29da734fdc0a7d261fe0e5d010ba86cc
PDF
Publication page87ef004df13470fc9218583691b8a0c59dd43ad820474823a44f93db071da7fa
Manifest1a4e35ec8d07d8b1390951e68948eed179243388b0fb9e5b9f416ff6fbce0718

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
Signature9J155up0Oiy2dnKyY2pCkUqStpDGpxLbjS8sUp0+rOYd5yPJsRi5h8C0z/VJ4fD2fTiWuI7bXeYfWHekwSHcCw==
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

2026-09-17T11:00:15.975553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767
observed 87ef004df13470fc9218583691b8a0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.949710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/manifest.json
observed 1a4e35ec8d07d8b1390951e68948eed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.924726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767
observed 87ef004df13470fc9218583691b8a0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.923383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/publication.md
observed 54697487f97421e6f022b2fd50bb1b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.888734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/manifest.json
observed 1a4e35ec8d07d8b1390951e68948eed1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.885415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/publication.txt
observed 3a15fc996d9122ddc89530cacf435abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.845721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/publication.md
observed 54697487f97421e6f022b2fd50bb1b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:15.810943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050767/publication.txt
observed 3a15fc996d9122ddc89530cacf435abb...
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.