OpenTechnical

OT-2026-000067730

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000067730) never changes.

Identity and time

Publication numberOT-2026-000067730 · never reused
Internal UUID01a0ae8f-c4f9-7e99-8cc5-a257b5bcc9d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067730
StatusPUBLIC

Content hashes

Canonical texte71db16ddbd19e57bc017e18894c1ff71b3c891956921112911f1d3746bebba4
Markdown2d3c0e7574d3e2f9800ef0e0d2ff8efb6bb9c51689b250d4e766bae634411f0f
PDF
Publication page94c7269366cd0bc86d8b45965f3885708c46ebcadbeacef71da00d1367ef7d14
Manifestaf4fa316e69b1e1292c0c6867becc5402a55c443d261f2121ceedb92a0bcd6b9

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
SignatureITy2kLabL8NSl9AlK3WiKAdhR+UcFNhHUMGWImmA+F0vR1Iv0NnfIKUeED+8VoWG1k0aq90cFzizLH/PEv4RDw==
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

2026-09-17T10:29:56.842236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067730
observed 94c7269366cd0bc86d8b45965f388570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.824015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067730/manifest.json
observed af4fa316e69b1e1292c0c6867becc540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.804508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067730/publication.md
observed 2d3c0e7574d3e2f9800ef0e0d2ff8efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:56.786779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067730/publication.txt
observed e71db16ddbd19e57bc017e18894c1ff7...
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.