OpenTechnical

OT-2026-000102363

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump 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-2026-000102363) never changes.

Identity and time

Publication numberOT-2026-000102363 · never reused
Internal UUID01a0aea4-8589-700f-845b-5b71ac8f35e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102363
StatusPUBLIC

Content hashes

Canonical text48f76c3b821a67e3631d352b009e7118b1855ed5fe4889e6deab6e1323702cbe
Markdown8e1bd9737bc3e544e0ea3375759cc855d5e4eae35bccdb68a297d4576379f211
PDF
Publication page1be346372e85ecc96bdd303c8c7a518674ecedec73da1f6f06f47bc98b664597
Manifest0ad6e02b568dd9ecb86675f6e03be4f6b2550c458dcc6a7d3490518741cf07b0

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
Signaturenz23eomcIFBwZDfK1A/d6dAOzqt3YoxvtGHzahngkSH4oKJ2FxqnENC/FSivhUJ9eLfxGaHhYh9mIychbF/HDw==
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

2026-09-17T09:23:42.063803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102363
observed 1be346372e85ecc96bdd303c8c7a5186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.046673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102363/manifest.json
observed 0ad6e02b568dd9ecb86675f6e03be4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.028628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102363/publication.md
observed 8e1bd9737bc3e544e0ea3375759cc855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:42.011139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102363/publication.txt
observed 48f76c3b821a67e3631d352b009e7118...
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.