OpenTechnical

OT-2026-000103778

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000103778) never changes.

Identity and time

Publication numberOT-2026-000103778 · never reused
Internal UUID01a0aea4-e463-77e1-861a-b7def8b9377b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103778
StatusPUBLIC

Content hashes

Canonical textfb1631697a08c69408a4118dac9166f32aad249a15aa69d2e1074073278ff0c9
Markdown240df95da4215e83c2b67d15177a0d9cb5929e2e6a86ceb5e3bb14b0713b5d2d
PDF
Publication page4cc384faaf0c346909804d4a5ff3d6e055c6430628345262e4cebfb97f8ff6f3
Manifest984179925b7e0e5e00df8977fc3380480b6cc007927b3cf259454541f11a76a7

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
SignatureAyibyFciduJIjbEKK6K3CIBgk++0w9SazCf6osXNhMdf0GTX0bUCxIU6u4vG1+xOIT/8b7pPWNDe5PxH8Mg0Ag==
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

2026-09-17T09:22:43.816184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103778
observed 4cc384faaf0c346909804d4a5ff3d6e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.800169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103778/manifest.json
observed 984179925b7e0e5e00df8977fc338048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.784997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103778/publication.md
observed 240df95da4215e83c2b67d15177a0d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.769305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103778/publication.txt
observed fb1631697a08c69408a4118dac9166f3...
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.