OpenTechnical

OT-2026-000089169

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000089169) never changes.

Identity and time

Publication numberOT-2026-000089169 · never reused
Internal UUID01a0ae9b-db00-7608-8c1f-ca7ee36fd2d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089169
StatusPUBLIC

Content hashes

Canonical textb8d2585f39ab1204d9ce4f6198c218c598dab0529873deb251dcd812e591ea00
Markdownbddb5017e743694fb46028dfe4c3293a2d5e8517b22f443ccc7c6cc3e740cc9f
PDF
Publication page7a312cf3c01b4ef5b978ae1f7235f23a91f73c8f638fc5d52173bc9812510690
Manifestf714aa64bce2cfd417358985299225ceee262a15771211580bb0317bb2b6824b

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
SignatureAFSZZ8ereCIDy/S7mpSwg5UXxAICqujC/A5hfr7BLyVLU+hta/Q8ibNriOB+7cJDmH8UkEu2JZ6uJZqxrh1lBg==
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

2026-09-17T09:47:10.684391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089169
observed 7a312cf3c01b4ef5b978ae1f7235f23a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.665484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089169/manifest.json
observed f714aa64bce2cfd417358985299225ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.647965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089169/publication.md
observed bddb5017e743694fb46028dfe4c3293a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:10.630698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089169/publication.txt
observed b8d2585f39ab1204d9ce4f6198c218c5...
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.