OpenTechnical

OT-2026-000087412

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000087412) never changes.

Identity and time

Publication numberOT-2026-000087412 · never reused
Internal UUID01a0ae9a-cd50-7068-828a-f07596fa8d5d · 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-2026-000087412
StatusPUBLIC

Content hashes

Canonical text24871273e14ec87a4012f4db2b73c5cdcbf2192332444af67ae40d90d916da4e
Markdown3267374c12d7c0607ba4f47107cab4702ab3ed1c506d8b8f566b93d6a7fb7a50
PDF
Publication page8f8f39932ce46ec0e1f8c4a1a643b014bb7c607c12f231331155a144b4e85e95
Manifestd33515a36015d025e8ee1b53edb6a7788f7830ae322112b8700b4a4023683211

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
SignatureOMxx/oYclo13VNWzzGCO3bkQlqUwSNTVEYJscuJpEThrCrFvlKMuXq9j0JbB3qmw6J6fqMuXWsONoefQfz91Aw==
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

2026-09-17T09:50:43.716767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087412
observed 8f8f39932ce46ec0e1f8c4a1a643b014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.700180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087412/manifest.json
observed d33515a36015d025e8ee1b53edb6a778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.683324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087412/publication.md
observed 3267374c12d7c0607ba4f47107cab470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:43.665116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087412/publication.txt
observed 24871273e14ec87a4012f4db2b73c5cd...
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.