OpenTechnical

OT-2026-000022104

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, manifold 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-2026-000022104) never changes.

Identity and time

Publication numberOT-2026-000022104 · never reused
Internal UUID01a0ae6f-f4fb-7bed-81ac-7fa08da227f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022104
StatusPUBLIC

Content hashes

Canonical textbc801e854ba0910eac18363ae5aa29d2f592852f41aecf22af148a02ea98df5d
Markdown06ac11344bc286f4babc805eb12af9fbff814d5efcb463a6e7404a9fa2094d52
PDF
Publication page4b5d5342641d6fd933990875790f8545ee76c22c98278f55b114442a0d5192b4
Manifestafabd04df5c37a091e081a2be1f5e92758fdf0bfdec7b6764fd60c0e3a0a10a1

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
Signaturet8CDHp+A2/Ja1AO7LMXrSxTJ55NoH3BYyOGbiP9KLfg5CmE/RH99+nDeqmcXTGU1pktbjhSGFzhmvLJ+Urv4AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:46.420385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022104
observed 4b5d5342641d6fd933990875790f8545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.405114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022104/manifest.json
observed afabd04df5c37a091e081a2be1f5e927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.388881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022104/publication.md
observed 06ac11344bc286f4babc805eb12af9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.371086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022104/publication.txt
observed bc801e854ba0910eac18363ae5aa29d2...
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.