OpenTechnical

OT-2026-000097495

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000097495) never changes.

Identity and time

Publication numberOT-2026-000097495 · never reused
Internal UUID01a0aea1-55b3-7333-8442-812a9c7a1c9c · 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-2026-000097495
StatusPUBLIC

Content hashes

Canonical text9e7a50bc7a6226665c7cc163a27649520615c8bd7bbadab82ff3749482752cc3
Markdownb4644314f96ec63e400b37a0f42e378c660bc8fab1b51ed990a17a9fa733a5bf
PDF
Publication page5f97ea5efcad6c6e36e99137490c52ee0f82c5a51b0cf2db64bfc0b9abb9810f
Manifest68fd23e532b7eb36db4728f693275ebbd88bdc436303dbf0f6900b1e5eeb65a0

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
SignatureMzQRue3/IYSHGU0HNWSxZ6Vftb37eVlk/mZ+A+ssosGlJFCzwV/aI9LCzeNPC4Ssfk76uiw70KOoefFCn+XnBQ==
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

2026-09-17T09:33:22.089600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097495
observed 5f97ea5efcad6c6e36e99137490c52ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.072561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097495/manifest.json
observed 68fd23e532b7eb36db4728f693275ebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.054836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097495/publication.md
observed b4644314f96ec63e400b37a0f42e378c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:22.038512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097495/publication.txt
observed 9e7a50bc7a6226665c7cc163a2764952...
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.