OpenTechnical

OT-2026-000073668

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073668) never changes.

Identity and time

Publication numberOT-2026-000073668 · never reused
Internal UUID01a0ae93-2b8c-71fc-bd58-4c1efb4cfdf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073668
StatusPUBLIC

Content hashes

Canonical texte02a01e119a11318735b0582e31a0d9729f4d00b56451a2df5e898cc5ac9e36c
Markdown9ba4e672ad28f9cd737f1bebf5f7e14583649ccc68ff944c04c197ecaed93e3b
PDF
Publication page87ceebf67390c6a86212bf237914c49d6083430422d3cf72e19ba5d340d4339d
Manifest8d7f9d08c1acb10312627f64981ac978cb959533140be690cad1893366a52ab0

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
SignaturekjaRYa2eBAEPy1n2UinVidWjUkssE40r3WNbpGMBZ81lStcOOkjE+yGOxyrniqvcyq0cMPO9Nqk9vlarWSVuCQ==
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

2026-09-17T10:19:43.419701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073668
observed 87ceebf67390c6a86212bf237914c49d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.401099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073668/manifest.json
observed 8d7f9d08c1acb10312627f64981ac978...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.382944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073668/publication.md
observed 9ba4e672ad28f9cd737f1bebf5f7e145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:43.363418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073668/publication.txt
observed e02a01e119a11318735b0582e31a0d97...
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.