OpenTechnical

OT-2026-000102130

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000102130) never changes.

Identity and time

Publication numberOT-2026-000102130 · never reused
Internal UUID01a0aea4-50f2-7738-83ba-100b41485623 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102130
StatusPUBLIC

Content hashes

Canonical text652f1df4fc44909e1f6e5ab24cf26896d1e35b19545ed6cdc0f91ffcc0349852
Markdownd0fd9c79700643ca9239f27fe3edab830dfc731412c97e90c049c4c6547729e0
PDF
Publication page472646203f27a33adc63b62807166ce512fc26511c9a55ea85ce71ddb716f58c
Manifest8a5ffc3e28d04010145d3c9d314ca15f2e427a1d84044a3a6668d20db8804e94

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
SignatureEXUaYlCnbqwD9ADCBa09XmNQJaDGrSsGhZipNDEoHBBQ5HgxIIU3pGTYy4M8AHoJki3DAJsQvHgfqdhCblaDDQ==
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

2026-09-17T09:25:17.479568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102130
observed 472646203f27a33adc63b62807166ce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.460498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102130/manifest.json
observed 8a5ffc3e28d04010145d3c9d314ca15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.442044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102130/publication.md
observed d0fd9c79700643ca9239f27fe3edab83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:17.424198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102130/publication.txt
observed 652f1df4fc44909e1f6e5ab24cf26896...
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.