OpenTechnical

OT-2026-000099876

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000099876) never changes.

Identity and time

Publication numberOT-2026-000099876 · never reused
Internal UUID01a0aea3-1473-7732-8400-a396ed7d1d61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099876
StatusPUBLIC

Content hashes

Canonical texta6da5a242ad1f226d5ca1677bfcb711bad8e5f9e3a876582c93210d387d4c3a0
Markdown597d4903d5a400e2dbb38caf588919bb483e19f852049c6b9ef20e0131e9e423
PDF
Publication page1f65d7c9e2b201a267b123fc85acabc147a75d9c8706515f3ffca38cc6945531
Manifest5003c62e15f4f13f8d995906ae4e4be33c3806abafd63f58f7b812f9d19dcaf0

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
Signature15XdPPVJT/cCf7SeE44jQua028OpnXqsQMcME7u1NnyGqPZmZlaU02W5RqzMb46OrBWyUWmdij9K51/O+vxMCQ==
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

2026-09-17T09:30:30.098223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876
observed 1f65d7c9e2b201a267b123fc85acabc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.079146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/manifest.json
observed 5003c62e15f4f13f8d995906ae4e4be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.059368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/publication.md
observed 597d4903d5a400e2dbb38caf588919bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:30.042265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/publication.txt
observed a6da5a242ad1f226d5ca1677bfcb711b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.805729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876
observed 1f65d7c9e2b201a267b123fc85acabc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.785521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/manifest.json
observed 5003c62e15f4f13f8d995906ae4e4be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.765468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/publication.md
observed 597d4903d5a400e2dbb38caf588919bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:45.746130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099876/publication.txt
observed a6da5a242ad1f226d5ca1677bfcb711b...
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.