OpenTechnical

OT-2026-000104149

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000104149) never changes.

Identity and time

Publication numberOT-2026-000104149 · never reused
Internal UUID01a0aea5-341f-7f13-aa09-998cb8999309 · 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-2026-000104149
StatusPUBLIC

Content hashes

Canonical textdccbc3c4284fd231f0f28960ea91b5a99454265f5a7c4ce50ff6f57f4074e266
Markdowne980b43a28c92bc5aca8df3e70822c5684057f16bb9be6a3f67114555fce8f03
PDF
Publication page5f2d4a650a0bab4a12e9eb21a16d4cf83487021f132a6d4990506a4415171300
Manifestb2ab24660dac1b8660f1524e111513167bfebd33f2d82250a4d972642bad89d7

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
SignatureJRMdpi/nZOXAc0sOoIydsII9u1XzcWQDpD5tGulQmtLFtpY8vegkQSngCZqGNGq8eL8EudFkFzw9E4RRUsg7Bw==
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

2026-09-17T09:20:14.113643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104149
observed 5f2d4a650a0bab4a12e9eb21a16d4cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.094929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104149/manifest.json
observed b2ab24660dac1b8660f1524e11151316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.077676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104149/publication.md
observed e980b43a28c92bc5aca8df3e70822c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:14.060496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104149/publication.txt
observed dccbc3c4284fd231f0f28960ea91b5a9...
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.