OpenTechnical

OT-2026-000104133

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000104133) never changes.

Identity and time

Publication numberOT-2026-000104133 · never reused
Internal UUID01a0aea5-341f-7459-8ec8-4e634d2d9456 · 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-2026-000104133
StatusPUBLIC

Content hashes

Canonical text5d3b959248368feff1395940e0826668051c525489a86c928bd719062c3a09d4
Markdownc200b040e49cbb7dcb88c1650e29867dc6f21adf8a2ded7ed2acf0888713c73d
PDF
Publication page0efb9a00bd106ff4efdef2a5943cc574efe148a4bdc7939c1637ab028c4fcb23
Manifest00d36e133e663c0ecfc2b6e69ade6cc6eafb98a039d103903eaf5e8749b6f3e4

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
SignatureLrzlFdOQbQjzLSz9h/2QjlMwb8VFhgq9ZHaGs31xls5tg+0EdqInjkq6C1a+jJVgdPVrdO/mek56614peqMWBQ==
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

2026-09-17T09:20:12.907476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104133
observed 0efb9a00bd106ff4efdef2a5943cc574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.890575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104133/manifest.json
observed 00d36e133e663c0ecfc2b6e69ade6cc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.872137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104133/publication.md
observed c200b040e49cbb7dcb88c1650e29867d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:12.854124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104133/publication.txt
observed 5d3b959248368feff1395940e0826668...
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.