OpenTechnical

OT-2026-000030209

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000030209) never changes.

Identity and time

Publication numberOT-2026-000030209 · never reused
Internal UUID01a0ae73-e500-7a16-850a-b2ab421198d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030209
StatusPUBLIC

Content hashes

Canonical text4c6e8935a4b1c3132c31bc4588c5588fbebcb8446b8ec1ce87423fc792039aa2
Markdownb423edc6cb0b09f704120ed35827594333479d28284c0b8b635475310fa69d3c
PDF
Publication pagea766bd279ee5ff1da69d958329fe616abad1b9b4491f74f150a3ee3400276412
Manifest73dfaef4506ce2c1e4a423d83b15031ec61d0824be37116bcafdfa6e916f9a1f

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
Signature8vN8/5Xu4LJ/yZuedZ6ckHm3DkIwsnyQqq92VZmiXJii1/JebslVWsn7tk4kkz1WOxGCYfif4KL0TTFUCd66Dw==
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

2026-09-17T11:40:34.870706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209
observed a766bd279ee5ff1da69d958329fe616a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.854755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/manifest.json
observed 73dfaef4506ce2c1e4a423d83b15031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.838465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/publication.md
observed b423edc6cb0b09f704120ed358275943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.822042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/publication.txt
observed 4c6e8935a4b1c3132c31bc4588c5588f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.381742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209
observed a766bd279ee5ff1da69d958329fe616a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.364815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/manifest.json
observed 73dfaef4506ce2c1e4a423d83b15031e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.344087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/publication.md
observed b423edc6cb0b09f704120ed358275943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:51.325482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030209/publication.txt
observed 4c6e8935a4b1c3132c31bc4588c5588f...
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.