OpenTechnical

OT-2026-000073389

Publication integrity record

Three cup vacuum gripper, three zone face, six 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-2026-000073389) never changes.

Identity and time

Publication numberOT-2026-000073389 · never reused
Internal UUID01a0ae92-efb8-76f9-b9d6-5de8c299726d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073389
StatusPUBLIC

Content hashes

Canonical text58cb59fc97172e646fd8bb2992ed67dba74e7ff5de155be77ab13d21ec170750
Markdowneccf9730b0149a1e37ba31f0a5472a8b0435963f0784f022c0475c62c342ceb5
PDF
Publication pagea8377c7e7eb7ccd4a1465aa19deffddcee28cbf981d91aa14853e86aa02703e1
Manifest515b9ffa259ae67689741c08eadb81b399bdd561fa3d5d049db4ff9ad4f86916

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
SignaturemmO5NCcu2hVaPrEMhXxy4b8QRKbFpb8o88mUMurSZ8vRpHIvOAIQJdD55QqhNYTDlMJMAHq7rnZEsrBfF6ieBA==
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

2026-09-17T10:21:25.872580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073389
observed a8377c7e7eb7ccd4a1465aa19deffddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.853208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073389/manifest.json
observed 515b9ffa259ae67689741c08eadb81b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.832456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073389/publication.md
observed eccf9730b0149a1e37ba31f0a5472a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:25.812678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073389/publication.txt
observed 58cb59fc97172e646fd8bb2992ed67db...
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.