OpenTechnical

OT-2026-000081486

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented after 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-2026-000081486) never changes.

Identity and time

Publication numberOT-2026-000081486 · never reused
Internal UUID01a0ae96-f375-702f-8aec-6d78c359a297 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081486
StatusPUBLIC

Content hashes

Canonical text4104658e618d5a1832df5a06c642216a0d9ad72729c8df713ada7526ebdde964
Markdownf4500cd0488cc491aa789bf9a9c0257a2c96ca5113a36624c65402bb6451dcc8
PDF
Publication paged7089f01c11cf9dbe4a79b1f88de971f548a294f6a1d42e99fb57baac77a0dab
Manifest9b24a4f956557373485ca11478eb7b612b01dc9ca26628103fbe00a200a14bde

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
SignaturevDn4oUKfbZY5Uh0bW5k7oyh2t4R8ITx8//FbfiYkwDqMpB8hjhWwGj1KRLLiH0tSWe7GxB85pjine1fM9JBIBQ==
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

2026-09-17T10:01:39.279930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081486
observed d7089f01c11cf9dbe4a79b1f88de971f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.261461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081486/manifest.json
observed 9b24a4f956557373485ca11478eb7b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.244397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081486/publication.md
observed f4500cd0488cc491aa789bf9a9c0257a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:39.228726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081486/publication.txt
observed 4104658e618d5a1832df5a06c642216a...
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.