OpenTechnical

OT-2026-000079088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000079088) never changes.

Identity and time

Publication numberOT-2026-000079088 · never reused
Internal UUID01a0ae95-ccbf-7e75-82df-d4509edf25e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079088
StatusPUBLIC

Content hashes

Canonical textfc7b44ba520a939513380fb786ad69f7d7134a24695bee306d749c66e81a516f
Markdown4e8d57d85066eed182ea34f524acd4c05aa8fc3d07f7c7ee8f4a30a0e226e993
PDF
Publication page199adbb7f3bf57fe75bcaac5b9f0c98e933d1f037cd2a59fbf7fb53f05c77348
Manifestc260a858faff920eb55d4477acc213553e22e43f6bf14c11bc5ab32c81d4e835

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
SignatureI9aO2tWH4Hv/r0xh7GbRczrYBblR4nBOqx5ws8vFq0WEydKQx8Z3LMe62Cr2AjuIOWBtTaKNnJwUQ0iOnqWuDQ==
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

2026-09-17T10:05:55.856556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079088
observed 199adbb7f3bf57fe75bcaac5b9f0c98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.837447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079088/manifest.json
observed c260a858faff920eb55d4477acc21355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.818822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079088/publication.md
observed 4e8d57d85066eed182ea34f524acd4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:55.801433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079088/publication.txt
observed fc7b44ba520a939513380fb786ad69f7...
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.