OpenTechnical

OT-2026-000062921

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000062921) never changes.

Identity and time

Publication numberOT-2026-000062921 · never reused
Internal UUID01a0ae8c-94a8-7f8d-a42d-a78a2b2d5f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062921
StatusPUBLIC

Content hashes

Canonical text43c2889be35f5f7860aaee7fd68205519a1aff1758330d1e9520ffdf7d46503a
Markdown351d442682b58eff46e63b06996b1cc92a6dea7cf1953996a83b2a4c284e4f83
PDF
Publication page00f92cb06aef2da31fcf49c9e323e0afdfa3d136d971abc990c7a7d41df44994
Manifest210d191eab05319902271617c66e5449f3985d07f8259cccbb532f4d5a73c19d

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
SignaturepmWPXHXAejXkUVUnLvFq09jDvCbtQRJYhsj7vXIKUpZi15ZEArBnFbl5qGqrkQ+FefPEhrWic0tXYt7mSyL1Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:18.185291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921
observed 00f92cb06aef2da31fcf49c9e323e0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.167157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/manifest.json
observed 210d191eab05319902271617c66e5449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.147949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/publication.md
observed 351d442682b58eff46e63b06996b1cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:18.126962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/publication.txt
observed 43c2889be35f5f7860aaee7fd6820551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.529045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921
observed 00f92cb06aef2da31fcf49c9e323e0af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.511746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/manifest.json
observed 210d191eab05319902271617c66e5449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.492222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/publication.md
observed 351d442682b58eff46e63b06996b1cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:38.472557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062921/publication.txt
observed 43c2889be35f5f7860aaee7fd6820551...
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.