OpenTechnical

OT-2026-000102741

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, pulsed blow-off 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-2026-000102741) never changes.

Identity and time

Publication numberOT-2026-000102741 · never reused
Internal UUID01a0aea4-858c-7f53-bb34-af5957154d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102741
StatusPUBLIC

Content hashes

Canonical text6d3ff21ea7829f733aad64dab4242570c2251a15cd087cd7c63eba42bbe28a37
Markdown2f4b3393bb5f366516ec37e905d5a54272277c6c01effc32669f47eb69547419
PDF
Publication page545eabef6ffe8b2d7218e451c8dc4689895cfad157cbec0fef92faf89a9069b2
Manifest66594a4db9cc5cdb76a8c3a2120fe8c1c1631d0c09dc720cde9b1f24b5bdd914

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
Signature/O8EwvNmq2o51Czn9UFjfJQLImp9Bxcid1AA9XaoMEP7JTgK+R6KHPa6IZJiq6vSAJKcNLjjWtE33y59rsULCw==
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

2026-09-17T09:24:15.604731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102741
observed 545eabef6ffe8b2d7218e451c8dc4689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.588085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102741/manifest.json
observed 66594a4db9cc5cdb76a8c3a2120fe8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.569265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102741/publication.md
observed 2f4b3393bb5f366516ec37e905d5a542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:15.551769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102741/publication.txt
observed 6d3ff21ea7829f733aad64dab4242570...
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.