OpenTechnical

OT-2026-000067638

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000067638) never changes.

Identity and time

Publication numberOT-2026-000067638 · never reused
Internal UUID01a0ae8f-6bda-7a96-ad1b-a19c8dd086c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067638
StatusPUBLIC

Content hashes

Canonical text7127a1b00ca316468fb66eb27e037194d442e8c702519defcacfa9d71ff05215
Markdown79e6511964e6288fcd95824b7d73fb7390a5c8a06406acbb71a871e77d300e46
PDF
Publication page973720b0b3e2600278ea922059e82aa08e54ed65c1d9fd5ae6faf107fd7b4a93
Manifestd48c71e3e716f25c5836191fc6e7f740d606bf40971a4718530233b3591eee7d

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
Signaturek52EyHBo+osver/MSt/PnlXKRVnvVuHP1bsf41KukFfUIqIZO6Y4DIDfjNaVrIfG6vV0iXWmBP8iboOb77WkCw==
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

2026-09-17T10:31:57.857536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067638
observed 973720b0b3e2600278ea922059e82aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.839671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067638/manifest.json
observed d48c71e3e716f25c5836191fc6e7f740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.821786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067638/publication.md
observed 79e6511964e6288fcd95824b7d73fb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:57.803925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067638/publication.txt
observed 7127a1b00ca316468fb66eb27e037194...
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.