OpenTechnical

OT-2026-000088441

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088441) never changes.

Identity and time

Publication numberOT-2026-000088441 · never reused
Internal UUID01a0ae9b-5d27-7bba-be6c-849e86cf6b28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088441
StatusPUBLIC

Content hashes

Canonical text4e1fa36374581b3028efb03bf2ef79b3f92ddb551e4ca64bdd42c765c98fa532
Markdownfd645b24afc87e5a64764a68c3e5cb658152103293dc39aa45043c6b8b7707a6
PDF
Publication page4c892112d519ab657416c2494b043b8e3356adbfc62799390cc175bc22bae0e5
Manifest680929929c3128bc06b55003254cbf477230f6fe4808f9a050d29cf618f90bb7

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
SignatureT9zapBMA4ldwdkO7D3RWW8uECFYT9IJH+lI69CNY94qPh9AMrST6qbvuCG3LrM8XYUnmPsRaEsBVnfbnAHYrAw==
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

2026-09-17T09:48:49.071000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088441
observed 4c892112d519ab657416c2494b043b8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.053186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088441/manifest.json
observed 680929929c3128bc06b55003254cbf47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.033881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088441/publication.md
observed fd645b24afc87e5a64764a68c3e5cb65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.015109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088441/publication.txt
observed 4e1fa36374581b3028efb03bf2ef79b3...
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.