OpenTechnical

OT-2026-000015264

Publication integrity record

Single bellows cup 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-2026-000015264) never changes.

Identity and time

Publication numberOT-2026-000015264 · never reused
Internal UUID01a0ae6d-ef48-7c99-9c30-29c71f0500c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015264
StatusPUBLIC

Content hashes

Canonical textf2b2ccb9b4d164cc81902a6127135f957562eed8149d8b7f2b3a92d59d015e4b
Markdown85a4c3763cbab1d858fa64a811c004beb1023524e1c7032f3e164a917fe09c9a
PDF
Publication page26a0af199a175296e75af550195626457577ba55b9a5f7249cca0c81a5c55e56
Manifestd8469cc0433a765e8433b74fad3b968932cd440168345da2649e074540b072ba

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
Signature2MFNe6h3Kdbxnblu/62H6JCMypW84gcI75nEHI3kmJPMXuWp9VT9WTm+fvwE8ouwLN1hVS3ILmbt3CzBFRomDw==
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

2026-09-17T12:05:56.380584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015264
observed 26a0af199a175296e75af55019562645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.361602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015264/manifest.json
observed d8469cc0433a765e8433b74fad3b9689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.341846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015264/publication.md
observed 85a4c3763cbab1d858fa64a811c004be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:56.321592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015264/publication.txt
observed f2b2ccb9b4d164cc81902a6127135f95...
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.