OpenTechnical

OT-2026-000075317

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075317) never changes.

Identity and time

Publication numberOT-2026-000075317 · never reused
Internal UUID01a0ae93-f200-743d-ba8e-4db1130392eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075317
StatusPUBLIC

Content hashes

Canonical text3e02a2c37f220ee588ee3d16871bb1686834128b8aecf15d9faebcdf641cb45b
Markdown0104d035bbc3634be1aa8d5fef4dc4b8f9a359f167d388a5f3d5cb3591891c32
PDF
Publication page0ec64f624bc6cf3a3061159d80b27c962f7a05131bb53cc3bf86cf59ede56868
Manifest45ee814452f3eea54073e523c1b34fab622c3aa92a587dadd0f2e6661ce6d97c

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
Signaturepne0fPG7Ek7hYuLyVuP2d7T44xnVyajDOYR81pmQ9Ei50sRg36ha3pnNdsLSbVn8e2YKQcDQpSTMt/n/hR/7Ag==
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

2026-09-17T10:17:09.007200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075317
observed 0ec64f624bc6cf3a3061159d80b27c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.986651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075317/manifest.json
observed 45ee814452f3eea54073e523c1b34fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.968670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075317/publication.md
observed 0104d035bbc3634be1aa8d5fef4dc4b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:08.949785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075317/publication.txt
observed 3e02a2c37f220ee588ee3d16871bb168...
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.