OpenTechnical

OT-2026-000011671

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000011671) never changes.

Identity and time

Publication numberOT-2026-000011671 · never reused
Internal UUID01a0ae6d-1940-7f2c-a964-e82b8b1a0063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011671
StatusPUBLIC

Content hashes

Canonical texta8b1811596a604a86c6b3a1a9beadcfa36d0758ee4f8576c5b35d48854e88be8
Markdown314e684bdb7a894687545214c807c2cfd19b5c82918f3d8b0ae7a3bd7bd43f98
PDF
Publication page3dfa2ad6b60c10f3e37aabc97fe191ddf95aa4103e5a0253a7d54e8ec5cecc4a
Manifest9401f03e5c02ce199d00609bc746453219eac79d92121e3cafabb777416c1be8

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
Signature6FPUv8KLpVPweYbc9B3WDtBnj2rWFL86gy4WOpew605VvZuH/cLarb0+BVb52ivEfO9ZKynjAa4b3X0qb1hABw==
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

2026-09-17T12:12:15.902372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011671
observed 3dfa2ad6b60c10f3e37aabc97fe191dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.879904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011671/manifest.json
observed 9401f03e5c02ce199d00609bc7464532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.860397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011671/publication.md
observed 314e684bdb7a894687545214c807c2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:15.841091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011671/publication.txt
observed a8b1811596a604a86c6b3a1a9beadcfa...
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.