OpenTechnical

OT-2026-000073678

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000073678) never changes.

Identity and time

Publication numberOT-2026-000073678 · never reused
Internal UUID01a0ae93-2b8c-7eec-9efe-d2b99beda79d · 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-2026-000073678
StatusPUBLIC

Content hashes

Canonical textf0c4a42c7278220464ef37c12ab20b4056d83944375340f9276823df00dbb961
Markdown537cd18373b528b1428385c46a292c8f4342d708bfd9ecfc9976f739e6872932
PDF
Publication page4b91b16a4c05087c31e77daecd6541272163fb7996f66b9721c9f2dbfad78984
Manifest8ad46afac51323f6281951000445cccea106ecea94667f0a26dfe938e4062c1b

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
SignaturedwcwtsoVfK+4kVVngo3OMNDwau3zQuSCQVLsL65g/Xi44jZCEVKKqAhgM1PxN87zQLN9IkSFla/osr+gocXnAg==
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

2026-09-17T10:19:44.214486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073678
observed 4b91b16a4c05087c31e77daecd654127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.194978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073678/manifest.json
observed 8ad46afac51323f6281951000445ccce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.178156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073678/publication.md
observed 537cd18373b528b1428385c46a292c8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:44.157470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073678/publication.txt
observed f0c4a42c7278220464ef37c12ab20b40...
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.