OpenTechnical

OT-2026-000087658

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line 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-2026-000087658) never changes.

Identity and time

Publication numberOT-2026-000087658 · never reused
Internal UUID01a0ae9a-cd54-7a55-8151-077c296ec377 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087658
StatusPUBLIC

Content hashes

Canonical texte9e68bd51b63b4aa6b60011f373067300d37fa94a9f73e78048909120ce780ff
Markdown1054733f357fc780ac155e6cf3134894aeb43a866042e9307ab1bd100df7daa0
PDF
Publication pagef0fdc93958f3021dc6011d8f28de50e003202f84a369bb2c1a6ecc9d88b31c74
Manifest924e2a1e6da53cf53627de7c20355ab5848085be345d68f0f6d224bd703d8cd8

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
SignatureIGPdFv2/xUnheCJ5jil5zIwJbHMtqkuZieWAWi6s5h2rJ49yY0y2eCMkWFeY6kee+69OcdjFP2bYH8/eMcuoDw==
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

2026-09-17T09:50:21.724255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658
observed f0fdc93958f3021dc6011d8f28de50e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.707215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/manifest.json
observed 924e2a1e6da53cf53627de7c20355ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.691457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/publication.md
observed 1054733f357fc780ac155e6cf3134894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.675392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/publication.txt
observed e9e68bd51b63b4aa6b60011f37306730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.501831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658
observed f0fdc93958f3021dc6011d8f28de50e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.482537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/manifest.json
observed 924e2a1e6da53cf53627de7c20355ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.461704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/publication.md
observed 1054733f357fc780ac155e6cf3134894...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:21.439278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087658/publication.txt
observed e9e68bd51b63b4aa6b60011f37306730...
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.