OpenTechnical

OT-2026-000100859

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100859) never changes.

Identity and time

Publication numberOT-2026-000100859 · never reused
Internal UUID01a0aea3-66f5-71f2-864f-f3b81579ffdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100859
StatusPUBLIC

Content hashes

Canonical text7b6e51d3a62e7b837f1c1561ded9128bcdf50cf80c58ab6d87cc041909aac09a
Markdownfb53aa388cd1c67c4f58619127f7764e8273288fdc348a54e948386f2687cf1a
PDF
Publication pagec3e25feb05596598811590e911f548d17d2bf3157c1144fc092b66dbec20b974
Manifest5406a197de546ea4ba3d4376524ec83a2b52f2e7b6b37e24851ab6728d846c27

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
SignatureqDuTTDEtbuJCf9nyaY/CV4HgJs9ANt4aEu8BGmdPZEmp3r6Kb2nMCn+cN6KAqZuC/YMslPDGoUM9/a4rdGOkBw==
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

2026-09-17T09:27:47.399155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100859
observed c3e25feb05596598811590e911f548d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.380863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100859/manifest.json
observed 5406a197de546ea4ba3d4376524ec83a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.361373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100859/publication.md
observed fb53aa388cd1c67c4f58619127f7764e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.342242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100859/publication.txt
observed 7b6e51d3a62e7b837f1c1561ded9128b...
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.