OpenTechnical

OT-2026-000097472

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000097472) never changes.

Identity and time

Publication numberOT-2026-000097472 · never reused
Internal UUID01a0aea1-55b3-7661-b941-f8a1f646bdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097472
StatusPUBLIC

Content hashes

Canonical textd4ba582ca6fc43acd099d5234d654119d1c75fe1440f94c67ed2aa9442b1b4ad
Markdowne5ab04d1fb38e1d5c62555970ef289d89db3ef2f569f14efbed3f77cdb31f629
PDF
Publication page4fed718273274b5a9bd69bc311f0257ddcd1809d75c6cfe5430ce24a4877af6a
Manifestce324d9e3d0daf0fad6506a7477ed6590bcc3979d5098bd76a664e4cb105021c

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
Signature8aHR+psW4LyJivHrwgDtceBodEtKndlrA7Fh7OeuTLM219Y6vYsI4m+8DtYT1dxfomRI7D/NOt7s5NJXcs71Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:20.454937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097472
observed 4fed718273274b5a9bd69bc311f0257d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.438983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097472/manifest.json
observed ce324d9e3d0daf0fad6506a7477ed659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.423031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097472/publication.md
observed e5ab04d1fb38e1d5c62555970ef289d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:20.407855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097472/publication.txt
observed d4ba582ca6fc43acd099d5234d654119...
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.