OpenTechnical

OT-2026-000076068

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000076068) never changes.

Identity and time

Publication numberOT-2026-000076068 · never reused
Internal UUID01a0ae94-6a6e-7675-9c9c-4c30bc5ece6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076068
StatusPUBLIC

Content hashes

Canonical text366ce3129fb19a2bd355719f2bdf819e768802fe940a503042542941a9431e05
Markdownabd5a1fa74c67823a8af5f28e0aeb60fa44ca7f175a5ee7ea3a95ed229bdd939
PDF
Publication pagee58f20a38f272b9626ba1668d927c834fdba41ad00020aafb47ce51259ce4614
Manifest57e3b7c1472f6038d223d6fce07eea480cf4aeddd19bf6b9b19352fda5dc503a

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
Signaturev4gUrH1r/NZORq0nWkNidiY0fcY/cN9H3OrgarVrdkw+E3cR2MmS/xdmW9zhaJtbldx1Of/ViY+P+50CLdr+BQ==
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

2026-09-17T10:10:50.046009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076068
observed e58f20a38f272b9626ba1668d927c834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.802885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076068/manifest.json
observed 57e3b7c1472f6038d223d6fce07eea48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.783948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076068/publication.md
observed abd5a1fa74c67823a8af5f28e0aeb60f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:49.766015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076068/publication.txt
observed 366ce3129fb19a2bd355719f2bdf819e...
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.