OpenTechnical

OT-2026-000009495

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000009495) never changes.

Identity and time

Publication numberOT-2026-000009495 · never reused
Internal UUID01a0ae6b-7562-7467-a064-ba890655d9e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009495
StatusPUBLIC

Content hashes

Canonical text7ccd39acf905c9fda295cc73a9e858001e5113f652b127c39218a8fdbf06d1ac
Markdownefaaf94f160656901157805fe86aa2e2372680931df27a6f27e966f54569907f
PDF
Publication page90fcd390cb97fcbac308ebf3e062d3cc83f5d65d2b18114d4d117fa63e283449
Manifest4b9875d9e2e33b9348b595b0cb6746eb38c49da0c2fb162d2100a91a9e59960d

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
SignaturewyQ2rgEeNp/fq69Pp/yJN2zMlNbdRTwJ1U0eP+MX1gprBslRCer9hGlabRq7Fm8Rz8gkEynTWRFrUPuMKEShBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:53.957226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009495
observed 90fcd390cb97fcbac308ebf3e062d3cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.936908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009495/manifest.json
observed 4b9875d9e2e33b9348b595b0cb6746eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.917100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009495/publication.md
observed efaaf94f160656901157805fe86aa2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.897999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009495/publication.txt
observed 7ccd39acf905c9fda295cc73a9e85800...
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.