OpenTechnical

OT-2026-000101285

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000101285) never changes.

Identity and time

Publication numberOT-2026-000101285 · never reused
Internal UUID01a0aea3-c379-7209-ab00-a4dc8ee72854 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101285
StatusPUBLIC

Content hashes

Canonical texte6221600a9114c38742a49536171effd93efc2fdfe2ec6be90e8d9cc180c6879
Markdown30bc65a003e8836e1c9565ff7f4194f5326dc7306c4c5c32e6e1b2e2136767ee
PDF
Publication page61ab1c7e17a0b4419735bdb5662bd3c4acb2cb185af7f274d29c9ac38bb07260
Manifest99d1f906bc941b709821b858ed727b3aa622316cf7e7c8535a4a1ec2c91cb037

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
Signaturea5GcP+b9dv8GuALulUfMvy97mD/n32QXrQvf0Xp7nUkW9lb4Qx9IOmrKuprDST/8SAc0HGS93J21dEf/RKxeBw==
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

2026-09-17T09:26:57.974040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101285
observed 61ab1c7e17a0b4419735bdb5662bd3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.958100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101285/manifest.json
observed 99d1f906bc941b709821b858ed727b3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.939755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101285/publication.md
observed 30bc65a003e8836e1c9565ff7f4194f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:57.923160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101285/publication.txt
observed e6221600a9114c38742a49536171effd...
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.