OpenTechnical

OT-2026-000101417

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000101417) never changes.

Identity and time

Publication numberOT-2026-000101417 · never reused
Internal UUID01a0aea4-0e14-716f-8d74-7792d61e50a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101417
StatusPUBLIC

Content hashes

Canonical textf4fdd93272078ffe12342b6a970bd8f977abe5975bef4b3f2598e6cd02eadb49
Markdown7124beed0461c0c8be1813890ba5f9e925a71f2e7f11b2470669cc2f136d3c5f
PDF
Publication pagec85b704429d5e6cf705d74d72712ea42ace0c3a5c60cde2a6d90eff1e260eaf9
Manifestcf2899571195f6e4a059f5f2caadeddfe1c98e4e46f5e2d0e91f10851fed3806

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
SignatureD4L5hU5m31XIwIa7sAFAW8fsbi6f3QJcQgvPLOjZTu68gl3yIf6IVvMVDF55DIqiOAJJXGpJtypaUwD1aiBwDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:57.896658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101417
observed c85b704429d5e6cf705d74d72712ea42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.877267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101417/manifest.json
observed cf2899571195f6e4a059f5f2caadeddf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.856308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101417/publication.md
observed 7124beed0461c0c8be1813890ba5f9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:57.836182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101417/publication.txt
observed f4fdd93272078ffe12342b6a970bd8f9...
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.