OpenTechnical

OT-2026-000072517

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000072517) never changes.

Identity and time

Publication numberOT-2026-000072517 · never reused
Internal UUID01a0ae92-89d8-7397-8feb-58c35e66139b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072517
StatusPUBLIC

Content hashes

Canonical text59862e5cd154960aa0ba6c7cc8f46b2769f5b59d877f884a1227eb9d45c98187
Markdown275f8c6af3e25cf2d44484d30856b193279a0c4cf7f53c597258f9cc68c13279
PDF
Publication page8a7808cccff04db20a7b92e515a35d2a3af8e8183fec2cda1884f50099114b61
Manifestd71109edf0fc10051c1804190f9f2ac2c215783444fad3bb2479db4176d64afc

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
SignaturejLraxKLuyKbLPe3pyoIa9nLMKBdG51PNswako9n2RORoC7p7cQUKxRNovozoXBPZUXVzJ0XALnlwbya5aEzvCQ==
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

2026-09-17T10:22:20.847685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072517
observed 8a7808cccff04db20a7b92e515a35d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.830317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072517/manifest.json
observed d71109edf0fc10051c1804190f9f2ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.810390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072517/publication.md
observed 275f8c6af3e25cf2d44484d30856b193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:20.791669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072517/publication.txt
observed 59862e5cd154960aa0ba6c7cc8f46b27...
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.