OpenTechnical

OT-2026-000103426

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pulsed blow-off after set-down

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-2026-000103426) never changes.

Identity and time

Publication numberOT-2026-000103426 · never reused
Internal UUID01a0aea4-e460-7b60-b340-a1fc0e94cbc0 · 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-2026-000103426
StatusPUBLIC

Content hashes

Canonical texte18cb03106079c2879edb6665fb6b607af93cee0b6e698a4187bf6cc73c3d0bc
Markdownec840f6147c7a8e42ecb690bb74b0f2bc5f58dac9b38d6411ce069d42be69efe
PDF
Publication page569d145d68638911b3c59e44e115cc01fbfb87b76fb4c954986aaeb0347800d1
Manifeste1f244f83cb197984a7bd1821649c9c0ae9befdfd386eb3609b96dea02cdf141

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
SignatureMp+byromFo3oF6ewA+5sksV22Fn4IrkENr3H/5PGj7uHk0o3+c0115VM9TXJP0rJlLD79zM+Jl+fqrmN1oi6Cw==
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

2026-09-17T09:22:10.553919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103426
observed 569d145d68638911b3c59e44e115cc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.535885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103426/manifest.json
observed e1f244f83cb197984a7bd1821649c9c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.518990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103426/publication.md
observed ec840f6147c7a8e42ecb690bb74b0f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:10.499669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103426/publication.txt
observed e18cb03106079c2879edb6665fb6b607...
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.