OpenTechnical

OT-2026-000104170

Publication integrity record

Three bellows 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-2026-000104170) never changes.

Identity and time

Publication numberOT-2026-000104170 · never reused
Internal UUID01a0aea5-341f-7f1a-9464-0bcdbf3e15de · 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-2026-000104170
StatusPUBLIC

Content hashes

Canonical text502b7f97b0710db5bb9df37d1351af7a51283c4232181d22c0e29ad2f217f58a
Markdowna223d94e1ebd85f2ac711f209ffb1574285405488026e9ee12a798aeddd8ea0a
PDF
Publication page9cc4fbb2d4d0a2b52e796b4746611905bc593ab6b76a3203f4ec24874e1018a0
Manifest2964c3e3e87dd30475a89c8aecd5c6ca5e7806c86e78120805d537d7bd81d376

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
Signature6TvuKtmdBTGFNfnTAvAz2ONszRyYeD566gmKznmAnWezZUQ2zhV2SUnLQF9NaF7ECK85M8qXhQBueoNKmj3sBw==
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

2026-09-17T09:20:15.713825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104170
observed 9cc4fbb2d4d0a2b52e796b4746611905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.695660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104170/manifest.json
observed 2964c3e3e87dd30475a89c8aecd5c6ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.679355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104170/publication.md
observed a223d94e1ebd85f2ac711f209ffb1574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:15.662794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104170/publication.txt
observed 502b7f97b0710db5bb9df37d1351af7a...
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.