OpenTechnical

OT-2026-000080718

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000080718) never changes.

Identity and time

Publication numberOT-2026-000080718 · never reused
Internal UUID01a0ae96-b973-7aac-aca5-ca41c9fa6a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080718
StatusPUBLIC

Content hashes

Canonical texte2211a524154df95b1fbd709e1e226271ab176779803d0a0c6f0400bd84391a2
Markdownc0e6230091f26590cf3ce051cb3fb6d246b7fb2c454d4decbc759950a9edaf5e
PDF
Publication page91014c111d82bf47bf7e4ebfbab1235500f89a1651b84cd2b62140f948a6527e
Manifest4fdde489f42dbc0bda6c5d9a2a76d583f80f304028c38e5400e0e0574074f8d8

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
SignatureNVvl0XFPMl5bn3b3wLi6AfpL3v2o3YAZuFlbpWum0SqbXrrpFkVP99+sB+ycJr0D5sJaScT79Jn7ogoxPCmkDQ==
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

2026-09-17T10:01:45.194080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080718
observed 91014c111d82bf47bf7e4ebfbab12355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.172123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080718/manifest.json
observed 4fdde489f42dbc0bda6c5d9a2a76d583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.153336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080718/publication.md
observed c0e6230091f26590cf3ce051cb3fb6d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:45.132902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080718/publication.txt
observed e2211a524154df95b1fbd709e1e22627...
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.