OpenTechnical

OT-2026-000087965

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, 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-2026-000087965) never changes.

Identity and time

Publication numberOT-2026-000087965 · never reused
Internal UUID01a0ae9b-1aa6-711c-aac9-4b1d3ebf4931 · 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-2026-000087965
StatusPUBLIC

Content hashes

Canonical text978e04b0af4f0ce3fab637d97acfcd7c2bf11ef1906104609e01bfaf0cda4aa8
Markdown7f37b1c645953aeb8c97deac4e9bff4bbaefb73ae4f67cd4a6615adabf3ea582
PDF
Publication pagec73d1496e40d41a75d7621dd0f0d1074ee378f294c902c98cc971968386373db
Manifest00827ea1067592aaff446981198458551d4f99cb347830bb5800c56533907fd2

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
Signatureh6HvQlYvOjgfkC3Jujy7+3/XjLnn8G2GIqd/cQ2dfNHXtI6KYQcK1oIiWIS3RER0jIhpcRX4WLxEFEGDOTScAw==
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

2026-09-17T09:49:15.620991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087965
observed c73d1496e40d41a75d7621dd0f0d1074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.604440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087965/manifest.json
observed 00827ea1067592aaff44698119845855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.588772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087965/publication.md
observed 7f37b1c645953aeb8c97deac4e9bff4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.570288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087965/publication.txt
observed 978e04b0af4f0ce3fab637d97acfcd7c...
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.