OpenTechnical

OT-2026-000076603

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076603) never changes.

Identity and time

Publication numberOT-2026-000076603 · never reused
Internal UUID01a0ae94-b06e-797b-8d16-4886a9e09e00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076603
StatusPUBLIC

Content hashes

Canonical text564e4d5dc13e715c3ff2f451d9e67fdbc40e04f0be0005bfdae60725f24411b9
Markdown47bf1aa36e1b283ffe6cd9e56dde8e9dee5741f89c069e72b0cd8ee25184feed
PDF
Publication pagee2f2616bfdaa970973de1b6f6b103586ffc8884e445457102d3b741124be2b45
Manifest0d14a0b05e409c59b406dc8a3402f0da45b6a74c039227fb42ce430cc38c688a

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
Signature3aRhwX/4Powo+0AT77Z3QcS4d6VG2wEYFB3tsUfqNaolDxjxAVXB7kfw0/PKeJcVr43T4T2TCY8vRAN3TuAbBg==
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

2026-09-17T10:09:19.635954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076603
observed e2f2616bfdaa970973de1b6f6b103586...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.619067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076603/manifest.json
observed 0d14a0b05e409c59b406dc8a3402f0da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.603137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076603/publication.md
observed 47bf1aa36e1b283ffe6cd9e56dde8e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.586990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076603/publication.txt
observed 564e4d5dc13e715c3ff2f451d9e67fdb...
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.