OpenTechnical

OT-2026-000076483

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000076483) never changes.

Identity and time

Publication numberOT-2026-000076483 · never reused
Internal UUID01a0ae94-6a71-7a16-893e-f7d88918ec9f · 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-2026-000076483
StatusPUBLIC

Content hashes

Canonical textca27f635b2715262ed508bcd9e428934f0736912c8f88210a03a80e4d6e518cd
Markdown39cf142e0cc179a67cf1b93d22df2ee43e990ce27e9ec55f5d89364fea8dac8c
PDF
Publication pageb172ca2e014526306cc13c41bd470a1a9936af82c7d31cdc16d4c106cc63f64e
Manifestc68d4755e2fb4ba6eb21a2c5de0758cf9f5cb249e2db8daef694d622829e8a3d

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
SignatureyqvhyH4SPSYGUvo6tyboYEtqYJ30dyf5QbXmGaV/ZImPY9ooYtF5VipnSBxfE4ykgPY45YMlpYep9iYMSALmDA==
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

2026-09-17T10:12:42.064883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076483
observed b172ca2e014526306cc13c41bd470a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:42.046440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076483/manifest.json
observed c68d4755e2fb4ba6eb21a2c5de0758cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:42.027088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076483/publication.md
observed 39cf142e0cc179a67cf1b93d22df2ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:42.009276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076483/publication.txt
observed ca27f635b2715262ed508bcd9e428934...
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.