OpenTechnical

OT-2026-000015765

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000015765) never changes.

Identity and time

Publication numberOT-2026-000015765 · never reused
Internal UUID01a0ae6e-0c4c-7f75-9f92-d3b2793a4c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015765
StatusPUBLIC

Content hashes

Canonical textd8711ed6cbc0431e9bd6c2c21ed869213152cb96065370ddca4533874de45653
Markdown1147d09ced99a02d8bd5237b00900c55d2f4b485d74f13838da18f744fdb31ae
PDF
Publication pageb22b5c9f5198bfa023aa5af84b029a0f313486f8a1c538130edf01db0d4c0635
Manifest9fbd49b070a1f39eb56a3b0b82f1794b5975183ff2eab1f4c611b2b1e1c99040

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
SignatureX2pvm/bOQUDOCGwP9JQJ2IlmJz27SdCZpMdh+dqPL3eTpyj1rdY3rO1Oc1Eoi/eO1LRsiuhGJs1o4+wTQXokCA==
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

2026-09-17T12:05:03.712927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015765
observed b22b5c9f5198bfa023aa5af84b029a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.694687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015765/manifest.json
observed 9fbd49b070a1f39eb56a3b0b82f1794b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.677309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015765/publication.md
observed 1147d09ced99a02d8bd5237b00900c55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.659732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015765/publication.txt
observed d8711ed6cbc0431e9bd6c2c21ed86921...
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.