OpenTechnical

OT-2026-000104182

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000104182) never changes.

Identity and time

Publication numberOT-2026-000104182 · never reused
Internal UUID01a0aea5-341f-73d1-807d-2f45d95992a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104182
StatusPUBLIC

Content hashes

Canonical text9ae6a64c1ecaf7b74b879deb1c537143e2e937eb8c8d84c890aac32706bde732
Markdown96a3b2ae443ccfae94923658e02f8afa01776b0ed619897b0e684525ce7b1dda
PDF
Publication page416216bd726a0c6a3efde2eb26f54b37bf40d5ecdec90b6318e4dfcfc271a944
Manifestf86818025b84fb2b9a7d41d1d58b85af6bec60929d7cfb9ffe4b318a9bdc4209

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
SignatureR8DbcSv7ibqGQo81KRzubJPwPhIp4MdXg3Ji8dAErwCKTDPSUA7/lCPARtOQPqg9up2FwmeUKKwkhZdk0fJ1AQ==
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

2026-09-17T09:20:04.504364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104182
observed 416216bd726a0c6a3efde2eb26f54b37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.486853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104182/manifest.json
observed f86818025b84fb2b9a7d41d1d58b85af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.468530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104182/publication.md
observed 96a3b2ae443ccfae94923658e02f8afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:04.451298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104182/publication.txt
observed 9ae6a64c1ecaf7b74b879deb1c537143...
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.