OpenTechnical

OT-2026-000089562

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold 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-2026-000089562) never changes.

Identity and time

Publication numberOT-2026-000089562 · never reused
Internal UUID01a0ae9c-1a21-778b-9337-a62971641e4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089562
StatusPUBLIC

Content hashes

Canonical text0e73c2e9f1821d23d5c771660e8b2e22299f0917aa52edc78027103adc8c7712
Markdownada144eae49ac12e5a676443c58972f82020b5dded72461ac8dc975a81bc9ecc
PDF
Publication pagea860781272154b1279dd109fa51eef22591372acae92f9a5a72cf79013d112aa
Manifestb795a07d45f2ad6faf9469a522e5e1e22caeb51406b7f7916d388bf8e26d823e

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
Signaturey75ARtUyt3K42VZ7Fzi6kI7nd9FmJIWwKbA30uAIrCzSWQ+g/f+c9sVZuFfULBUgR83h4IPwyULvrrPj6QuCBQ==
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

2026-09-17T09:46:32.066636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089562
observed a860781272154b1279dd109fa51eef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.049200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089562/manifest.json
observed b795a07d45f2ad6faf9469a522e5e1e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.033183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089562/publication.md
observed ada144eae49ac12e5a676443c58972f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.015196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089562/publication.txt
observed 0e73c2e9f1821d23d5c771660e8b2e22...
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.