OpenTechnical

OT-2026-000058991

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000058991) never changes.

Identity and time

Publication numberOT-2026-000058991 · never reused
Internal UUID01a0ae89-47a0-7154-93eb-529744bdedd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058991
StatusPUBLIC

Content hashes

Canonical textf8826ac589f9c920484613fa2b64a8ff5619e1f8a179c31e18a24e9018e5eea0
Markdownfb764b873eeebbe796c090ea11b773f87f50e4e4f81ef87410313cac6ee16b10
PDF
Publication page53479f524c82a678050dcab40ad030d8fb6f81fc8183a2f18e12094ebb6df25a
Manifest490fff2fd9d41a377a33195597754a59c095c1ca19ecda8c8709ab1392cb8cf8

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
Signatureoiye7piIX+vRmhQz92BXDVGKenUNL1Xp755N+WiY/S4bFRPC56HoZr0DJij2WhZfoePVz86fkZr+DbkYznUSAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:34.624988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058991
observed 53479f524c82a678050dcab40ad030d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.607089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058991/manifest.json
observed 490fff2fd9d41a377a33195597754a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.590750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058991/publication.md
observed fb764b873eeebbe796c090ea11b773f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:34.574148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058991/publication.txt
observed f8826ac589f9c920484613fa2b64a8ff...
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.