OpenTechnical

OT-2026-000092891

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000092891) never changes.

Identity and time

Publication numberOT-2026-000092891 · never reused
Internal UUID01a0ae9e-090e-7b82-afa4-37022bcc0495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092891
StatusPUBLIC

Content hashes

Canonical text0dfd8bdc008f18bdf4d0234731c734d14ef47a194192fa1a33b7af10eb8d78a8
Markdown610cfd4d46b28f2274f4d34b18df367f29c5b33e519dd08b231bc7dac89417e6
PDF
Publication page49d89f61b42cf2192e007be92268af3da1b8f855693d37c0e8952374d04f6f0b
Manifeste80d3431603277e8b123dba67749ac8405ca6e63e08649415ed00d6ca64fc5cf

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
SignatureTqKoTF8oEPB0gRYWtqTnE7rUAwD5nVthzBpHB9kVikfUsM7k6KcyKS3raUM+mzT4Non464KU8dgxVROvllcXBw==
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

2026-09-17T09:40:00.121792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092891
observed 49d89f61b42cf2192e007be92268af3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.104045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092891/manifest.json
observed e80d3431603277e8b123dba67749ac84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.086610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092891/publication.md
observed 610cfd4d46b28f2274f4d34b18df367f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:00.070098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092891/publication.txt
observed 0dfd8bdc008f18bdf4d0234731c734d1...
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.