OpenTechnical

OT-2026-000087602

Publication integrity record

Foam pad vacuum gripper, four zone face, three 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-2026-000087602) never changes.

Identity and time

Publication numberOT-2026-000087602 · never reused
Internal UUID01a0ae9a-cd53-7fc5-bf87-780e3d71b88a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087602
StatusPUBLIC

Content hashes

Canonical texta9fbb4b5e6847a213fa975610a763f3bd29f32e8c371d61cf03c60b017ffc1d3
Markdown2fd3cc3ce11eaeb97f8c4002adb07bb4fc0d20b71f49fe8c5aa2a38bf0b8f7fa
PDF
Publication page7bc819a6ffd8552df3aeff049165b69bd6688ff5ca5a10480175c76e84476f42
Manifest8098ea603759d7b4b4f923ffd6ddaf095b3afae3af52ed239315628c0d1b9989

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
SignatureVg2kqm6l03DaRGw/KQvnCk4pV2jtquIXFBG/WeDO670UgU7KGOt1/cRy38xDU3QRnh5KKkC2BSqnRw316q7DDA==
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

2026-09-17T09:51:02.507982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087602
observed 7bc819a6ffd8552df3aeff049165b69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.490995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087602/manifest.json
observed 8098ea603759d7b4b4f923ffd6ddaf09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.473625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087602/publication.md
observed 2fd3cc3ce11eaeb97f8c4002adb07bb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.457159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087602/publication.txt
observed a9fbb4b5e6847a213fa975610a763f3b...
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.