OpenTechnical

OT-2026-000102177

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000102177) never changes.

Identity and time

Publication numberOT-2026-000102177 · never reused
Internal UUID01a0aea4-50f3-711e-ae34-f9287f216102 · 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-2026-000102177
StatusPUBLIC

Content hashes

Canonical textc582dffafd5b82e6c19d709685711db38fe023d2251ca47d766e836b8c1cf960
Markdown0c8b159f1b7b26660d5c36ff0c61daa64cc5c513d4c43585deef3a0dc1ac4f55
PDF
Publication page4e4c1724c9f3a16d15b4c35e691b8c362d608884a6582fc7c6f758ddec16e1d5
Manifest0aaf894f30c7519b529743a32d2f25ef5182243a773611899116e77f5906dd1f

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
SignaturezAj6FO89132GgVasvYK7pYngAjMTjXJhjvSnlJeYjsAUBuJC1ztQP7Xs6LtSJNiNZkgRniacDWgwo796MJb/Ag==
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

2026-09-17T09:25:20.934804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102177
observed 4e4c1724c9f3a16d15b4c35e691b8c36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.916265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102177/manifest.json
observed 0aaf894f30c7519b529743a32d2f25ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.899620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102177/publication.md
observed 0c8b159f1b7b26660d5c36ff0c61daa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:20.882318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102177/publication.txt
observed c582dffafd5b82e6c19d709685711db3...
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.