OpenTechnical

OT-2026-000088045

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000088045) never changes.

Identity and time

Publication numberOT-2026-000088045 · never reused
Internal UUID01a0ae9b-1aa7-7da7-a095-edb4e4fdc43c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088045
StatusPUBLIC

Content hashes

Canonical texta7cd3a59b0ba49b82566bdb025e37a2d0c5f4b8b23c9b6e3d89da70acab35131
Markdown0d3cfe878701139a9afbed2f3e58eef9ad3154394f28e002540570fc5cd565e9
PDF
Publication page7be733f9dcf40a1bf1b38475f88809508fa849e0a0e3c455fc0b999619e258d6
Manifest58259415f8eade23005c446a6943fc31d1ba4e59e9b04e2822ec8afc0554f8f7

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
Signaturer6+TVRHYCDF3Sv89w48oPskLQa0FoANRMqP/u+rihqOVUIKJEYw5/TE2gh0uGafnULFvFg1RQ16Viphda2xECA==
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

2026-09-17T09:49:26.288433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088045
observed 7be733f9dcf40a1bf1b38475f8880950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.270039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088045/manifest.json
observed 58259415f8eade23005c446a6943fc31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.250605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088045/publication.md
observed 0d3cfe878701139a9afbed2f3e58eef9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.232677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088045/publication.txt
observed a7cd3a59b0ba49b82566bdb025e37a2d...
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.