OpenTechnical

OT-2026-000097320

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000097320) never changes.

Identity and time

Publication numberOT-2026-000097320 · never reused
Internal UUID01a0aea1-01cb-7514-8f91-9a2d0f2b92ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097320
StatusPUBLIC

Content hashes

Canonical textb022cdba231c3988ec94f0a67c648f124ec1e4ab0147774f6a296c301731d18e
Markdownc31db466593b70405c25189582bf91d62d970350d9360e9e33b9bd8cdef02639
PDF
Publication page28c1e0c3c178a7b5782130da7dc79e991a4670005af472565ae0a7074cdc526f
Manifest67dca18cb60a16b8523c6f7237f83e657646e0abe51b9e3792c3e12b4111b27c

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
Signatureyh/aIlI+Ogd1vriQtcPISy02LMB9aNXDnIYa3yCjrxSez+zjtNT5PsVBBJe+O8sEje41h12OBf8pD6lha5htAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:34.993119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097320
observed 28c1e0c3c178a7b5782130da7dc79e99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.975406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097320/manifest.json
observed 67dca18cb60a16b8523c6f7237f83e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.957960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097320/publication.md
observed c31db466593b70405c25189582bf91d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:34.940389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097320/publication.txt
observed b022cdba231c3988ec94f0a67c648f12...
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.