OpenTechnical

OT-2026-000064436

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained 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-2026-000064436) never changes.

Identity and time

Publication numberOT-2026-000064436 · never reused
Internal UUID01a0ae8d-a461-72a8-a9aa-44caa97f2607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064436
StatusPUBLIC

Content hashes

Canonical text4f9cc64b93a27e5b7917400a69e1529c466712b76a92333d61a31e434f324eaa
Markdownc4b6c45a0b65f1507ef1072756b14becf5b874a29352503304c5afa6a3b98cff
PDF
Publication pagee4de4ccc5544d7f6c1cd6363278f3b9d2068cc6b6a57f6c9c602206b9729e941
Manifest621e68bab9e7d040d483f980b4f4686c05c79114653a74cd255f055d0a81f9dd

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
SignatureQMR38AGGSfGto8C6V3JzmOCXme/xCED2MBYYJ68xS7JkiRKrx5w3/v1fEWrDkifeEV6iXhMe0KrLcKp04ccTCg==
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

2026-09-17T10:36:37.262813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064436
observed e4de4ccc5544d7f6c1cd6363278f3b9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.244526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064436/manifest.json
observed 621e68bab9e7d040d483f980b4f4686c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.226655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064436/publication.md
observed c4b6c45a0b65f1507ef1072756b14bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:37.208644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064436/publication.txt
observed 4f9cc64b93a27e5b7917400a69e1529c...
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.