OpenTechnical

OT-2026-000100267

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000100267) never changes.

Identity and time

Publication numberOT-2026-000100267 · never reused
Internal UUID01a0aea3-3053-7135-822a-48f7fc106bd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100267
StatusPUBLIC

Content hashes

Canonical text0ad98afd8a7a3d7351fd4ae6213e97f097483271551ae5f959184f51ee23e5b5
Markdownc8d1afaeed6ea0fc71cfa39673e91be2d03b202d6f6ce7bc28bff9d11dc57be3
PDF
Publication page53af1ae9496f8676c87f0c891018fb5be050c48ee5c84fbb1a87471d20a6a6ae
Manifest73618ff71b249d110c6ec5bd8adc426d64d92f07ebeeb1e0ed8e4981c30add69

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
SignatureCi/cFmyRtzkeBjCF2TKlkYCwrK2Vwf4UK40b2UJGV5lR94fGIaKyMLOyMNNhTURgvtyUCaxlrc46Vt3YUAVFDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.471144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267
observed 53af1ae9496f8676c87f0c891018fb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.454537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/manifest.json
observed 73618ff71b249d110c6ec5bd8adc426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.436395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/publication.md
observed c8d1afaeed6ea0fc71cfa39673e91be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.411897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/publication.txt
observed 0ad98afd8a7a3d7351fd4ae6213e97f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.122664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267
observed 53af1ae9496f8676c87f0c891018fb5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.106234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/manifest.json
observed 73618ff71b249d110c6ec5bd8adc426d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.089588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/publication.md
observed c8d1afaeed6ea0fc71cfa39673e91be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:34.071176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100267/publication.txt
observed 0ad98afd8a7a3d7351fd4ae6213e97f0...
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.