OpenTechnical

OT-2026-000026975

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000026975) never changes.

Identity and time

Publication numberOT-2026-000026975 · never reused
Internal UUID01a0ae72-3453-762f-8dd7-2b834e392e97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026975
StatusPUBLIC

Content hashes

Canonical text03045837adc2fd44b04d15959bbdb7cd591a88622320a370237e812b69c01433
Markdowna025a27468c1b2a1388d3b7d0ada97bc0ad8e3a9d20711611e9576047642faba
PDF
Publication page4281d1becf15b0c583c58337c0e81cdaff3086b60128d54cb2c474ebcc533425
Manifest731fefcb271163555ad033b712fbed964e08dccffbcf866c9210be3d22a58285

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
SignatureyAk34dh6/TymcZbQA1YfLzHdnuKyo0zcCiZvNfRQJTFTFaRs1UQEq0CnkRCkbE29TyJy6pXaHTKpCVp3tgONCg==
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

2026-09-17T11:43:35.989051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026975
observed 4281d1becf15b0c583c58337c0e81cda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.973721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026975/manifest.json
observed 731fefcb271163555ad033b712fbed96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.957373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026975/publication.md
observed a025a27468c1b2a1388d3b7d0ada97bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.941549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026975/publication.txt
observed 03045837adc2fd44b04d15959bbdb7cd...
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.