OpenTechnical

OT-2026-000083612

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000083612) never changes.

Identity and time

Publication numberOT-2026-000083612 · never reused
Internal UUID01a0ae98-0415-7e11-89b2-01cbbf506f69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083612
StatusPUBLIC

Content hashes

Canonical textbd512fb1ddc55fcb6ef8bbc99720254f4e1029f354f23ef56372603221de123b
Markdown89fe540bd7525fdfcfc6160a3eeea15052ab46711c48cfeef687dc636478c119
PDF
Publication pagebfcba5e8fcc1cfef1f26d58e7b42260fffe197d593cede85520387af2604b728
Manifestb42570a9ac33529c30e438c12756ffa620b1fcecfe94eaeec1aa426d44b8e9df

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
SignatureLa/mmlDYONeR8IQOr67byElybZEx2lCYspBUEGukP4ZoV5ziXb6Kb4UxmMOpCIxSjXtbYYwAHq6AAfCHatk9BA==
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

2026-09-17T09:57:06.563919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083612
observed bfcba5e8fcc1cfef1f26d58e7b42260f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.547879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083612/manifest.json
observed b42570a9ac33529c30e438c12756ffa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.529182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083612/publication.md
observed 89fe540bd7525fdfcfc6160a3eeea150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:06.512134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083612/publication.txt
observed bd512fb1ddc55fcb6ef8bbc99720254f...
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.