OpenTechnical

OT-2026-000074558

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000074558) never changes.

Identity and time

Publication numberOT-2026-000074558 · never reused
Internal UUID01a0ae93-717b-78cb-92cd-a2dff19fa168 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074558
StatusPUBLIC

Content hashes

Canonical text5208498c54b1fded5cb9c3507d962544afe46d3c81ba528a76e35520d955e2d2
Markdown648aa5421358891615ce82c839cf11c7008e8a97abd7cfe6eae36cb1beac3576
PDF
Publication page628ff1684b18a65ba0ae5124b823608ea575ad408acdab89e517a01343d8fb80
Manifestdcd72ee92c6c79f3f9a0cae8018f58eed3a68b593b77ae965bc8c78e49c13607

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
Signature62a19m0sAXluk6/xl5LbSuDj0Dq1qdn0zkJFsVxsDfJUvwAGxIiSO5l9iwNHC/l9gzDxr5VQ+IrGivbn8DTYCg==
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

2026-09-17T10:19:34.293027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074558
observed 628ff1684b18a65ba0ae5124b823608e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.275710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074558/manifest.json
observed dcd72ee92c6c79f3f9a0cae8018f58ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.255673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074558/publication.md
observed 648aa5421358891615ce82c839cf11c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:34.235471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074558/publication.txt
observed 5208498c54b1fded5cb9c3507d962544...
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.