OpenTechnical

OT-2026-000088015

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000088015) never changes.

Identity and time

Publication numberOT-2026-000088015 · never reused
Internal UUID01a0ae9b-1aa6-70d5-ae98-24ae69665fce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088015
StatusPUBLIC

Content hashes

Canonical text1a2009c901e77e922dfa61de0d2b719d1c69e65025471eea6c2b306a9e66ad2d
Markdowna6b42c3af9c04281e3de57013736eec68b03c02087765082c87f65173794b3da
PDF
Publication page9929ffa846df9757a12f376cc293c517f88c6c24cb8c8bfa9ade81b2b9c688c7
Manifestdfd78e128a932eb03b2cf084bf91fad45a1194e2ab589ef5fc777e3a5a1bdf05

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
Signature6e6JbFUAo/LDl0PmXiE1m5mQwPOss4IRgatWdtSyf73g3uSmZI/zN0xrch0bUf/RNC7sz8HSCYUYJKo+qJ1hAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:23.783675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088015
observed 9929ffa846df9757a12f376cc293c517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.765476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088015/manifest.json
observed dfd78e128a932eb03b2cf084bf91fad4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.746697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088015/publication.md
observed a6b42c3af9c04281e3de57013736eec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:23.727843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088015/publication.txt
observed 1a2009c901e77e922dfa61de0d2b719d...
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.