OpenTechnical

OT-2026-000083371

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, 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-2026-000083371) never changes.

Identity and time

Publication numberOT-2026-000083371 · never reused
Internal UUID01a0ae97-c964-7002-9de6-1ac9dc33505e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083371
StatusPUBLIC

Content hashes

Canonical text89e5ef1d5e39dd95daeaf95cc0dce542a02df8a4663aee6c98d0e2da10cf70c8
Markdown3a70f2c9323c34d59672c64c2712cb6158650346088e35f08f5bf78ac09a01e6
PDF
Publication page70546733090e57d6915f17d1d7ebc1a11ebbbffb51c5cfbe5fb7300ae9686285
Manifestcf1c5d813efa688b35beb0287e826ec0cd421e9758cf648e884d11ef9ee5edf8

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
SignatureVMd3OQ5ulA7ZkXWM7YO+tEss7q7hqEM3UFEBOyYbmjKkfcbusJu+8wfaGWNVHQpi08bzYP749zbuYChtlDtoBA==
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

2026-09-17T10:00:40.018882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371
observed 70546733090e57d6915f17d1d7ebc1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:40.000892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/manifest.json
observed cf1c5d813efa688b35beb0287e826ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:39.981847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/publication.md
observed 3a70f2c9323c34d59672c64c2712cb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:39.963201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/publication.txt
observed 89e5ef1d5e39dd95daeaf95cc0dce542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.501521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371
observed 70546733090e57d6915f17d1d7ebc1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.486075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/manifest.json
observed cf1c5d813efa688b35beb0287e826ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.469155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/publication.md
observed 3a70f2c9323c34d59672c64c2712cb61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:46.453426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083371/publication.txt
observed 89e5ef1d5e39dd95daeaf95cc0dce542...
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.