OpenTechnical

OT-2026-000093253

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000093253) never changes.

Identity and time

Publication numberOT-2026-000093253 · never reused
Internal UUID01a0ae9e-0911-7a36-a98d-0e37427a74b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093253
StatusPUBLIC

Content hashes

Canonical text26e7929c66835d91f0060d20bc70cc8f9873cbb623b846d632f602f99998ff37
Markdownefdfa9ece5517c99425e262688cee58198298053b7d6469a7874285107cf8594
PDF
Publication page41cdb5de77f7de77b1daab84166bec7d2a3fdd3909b2356b175cfd0e4b002077
Manifest609fbfa1542ca3e92e1babfb1844a5d427c766ab263337bed26aae1574794ea5

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
Signature+ppQTA5ZHcfH9jDMErlSiiMp8k3gpJrhNrENxVSSUcgKuGfU0jigtETsrgnBa0xfMwTdQxjFxTvcfW6uyd4YAA==
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

2026-09-17T09:40:36.672875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093253
observed 41cdb5de77f7de77b1daab84166bec7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.654838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093253/manifest.json
observed 609fbfa1542ca3e92e1babfb1844a5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.635425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093253/publication.md
observed efdfa9ece5517c99425e262688cee581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:36.614903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093253/publication.txt
observed 26e7929c66835d91f0060d20bc70cc8f...
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.