OpenTechnical

OT-2026-000081273

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081273) never changes.

Identity and time

Publication numberOT-2026-000081273 · never reused
Internal UUID01a0ae96-f374-7a2f-8d4f-cf11f9b69a09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081273
StatusPUBLIC

Content hashes

Canonical texta7ba977355cad636598297c96534ead3d77e5377388239766fa28c297f2ea826
Markdownb2666799dae1ee816b255c3056ff9a0a553d16693052585feb4173d50f69cb73
PDF
Publication page91e0ebc82bd3d421e4492f4fba917337cd9eaa4c3558cb4868bc5d5088db67da
Manifest5b780d3807fa016c2ddb1ff1ca01fa244a1d5b3edc556446fab0848ce5fff158

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
SignatureN8dinsaDQTdyPAiGD677E++mjxKfeTDuHBZJFbDqKs/7G2oCxX95QXXV6n3V+TxyY7BriaaXJ856GTtjdru/AQ==
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

2026-09-17T10:01:22.485832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081273
observed 91e0ebc82bd3d421e4492f4fba917337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.467883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081273/manifest.json
observed 5b780d3807fa016c2ddb1ff1ca01fa24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.448607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081273/publication.md
observed b2666799dae1ee816b255c3056ff9a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.430307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081273/publication.txt
observed a7ba977355cad636598297c96534ead3...
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.