OpenTechnical

OT-2026-000030221

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000030221) never changes.

Identity and time

Publication numberOT-2026-000030221 · never reused
Internal UUID01a0ae73-e500-76bb-9c13-7438e87e7fef · 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-2026-000030221
StatusPUBLIC

Content hashes

Canonical text793e54b83340d620a9adf41dfb00141647023caa42d1a2d6424e6e95838c2cf8
Markdown801463d38e02cbc95044286ca4df9a475dce5d27217db7ecd8beb1e3f20c9ba1
PDF
Publication page9f2155ba23f7a7cbc66605f2c2c6b9dc8d2f95ca567afa21a53b6fe7d545e4b7
Manifest9cb8efea209603c59ed790be57dcc26cdf8603fb5468a5cab7c9010fc9146fa1

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
Signature2t+Hj1MvZ0ngcQi3lulFGBMBIDq7l9tAOGzRSq8z9r6FBQ9TlY1wt2xkAmfEB0bDLgl7Qe1tNaLiJtydOvNbAg==
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

2026-09-17T11:40:35.832050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221
observed 9f2155ba23f7a7cbc66605f2c2c6b9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.814109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/manifest.json
observed 9cb8efea209603c59ed790be57dcc26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.795776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/publication.md
observed 801463d38e02cbc95044286ca4df9a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.778692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/publication.txt
observed 793e54b83340d620a9adf41dfb001416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.322541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221
observed 9f2155ba23f7a7cbc66605f2c2c6b9dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.305587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/manifest.json
observed 9cb8efea209603c59ed790be57dcc26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.288992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/publication.md
observed 801463d38e02cbc95044286ca4df9a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.271954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030221/publication.txt
observed 793e54b83340d620a9adf41dfb001416...
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.