OpenTechnical

OT-2026-000077332

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000077332) never changes.

Identity and time

Publication numberOT-2026-000077332 · never reused
Internal UUID01a0ae94-f509-78ca-8afd-4750974d927a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077332
StatusPUBLIC

Content hashes

Canonical textb1039415be1947d98cc72635b80f2c23ab0155c64cfe173053c1f2ac8be86146
Markdowncab99c1ddaf7e86c046c5a54462ca384df27a9dd556f05bd22f24c512570770a
PDF
Publication page4c58bcac2b896ddfef022e08e4301c2fef73453bab28417fe172dcf3dd769b47
Manifestb216491d4048700a398c74b6cbcc118dcdfd4aad0646005e59ecbc3cc2133bae

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
SignatureaWTJ4/qdBhDDRtrCUcV30QCOIx6gHwkuGkypcrG0IM2DENIDULz4PRNdC+vzMuW3ZuvGH7LzMFP/AmZbXr2rBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:11:01.033923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332
observed 4c58bcac2b896ddfef022e08e4301c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:01.014933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/manifest.json
observed b216491d4048700a398c74b6cbcc118d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.995726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/publication.md
observed cab99c1ddaf7e86c046c5a54462ca384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.972411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/publication.txt
observed b1039415be1947d98cc72635b80f2c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.931593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332
observed 4c58bcac2b896ddfef022e08e4301c2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.913140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/manifest.json
observed b216491d4048700a398c74b6cbcc118d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.894310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/publication.md
observed cab99c1ddaf7e86c046c5a54462ca384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.876085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077332/publication.txt
observed b1039415be1947d98cc72635b80f2c23...
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.