OpenTechnical

OT-2026-000103750

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000103750) never changes.

Identity and time

Publication numberOT-2026-000103750 · never reused
Internal UUID01a0aea4-e462-7de5-9fb0-da331406a989 · 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-2026-000103750
StatusPUBLIC

Content hashes

Canonical textb147062512202bd6650a64a378a5b0d29124944e78b48c745d8b831be7ee9f9a
Markdown36b126772fd07c2cf544e0ac3b077864a597fef4b36f3ebf48e81d6572eb322f
PDF
Publication page11f389c28e1ee110923a7a69d248961131ae00d66f243cf619a0e3b2c860a21e
Manifestc22772534a68a9302989084332c2e7bd232404705f52e59424d5ee85ff029e00

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
SignatureqQUO5mUYR8AGrV2fMdAhDQOg663DFc1iYDGmXh9wSR3Wqn/9Ry1kcLhEFcEGo4Yiuh+sleA+P4/XjMQuj16SAA==
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

2026-09-17T09:22:42.210056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103750
observed 11f389c28e1ee110923a7a69d2489611...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.193325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103750/manifest.json
observed c22772534a68a9302989084332c2e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.178330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103750/publication.md
observed 36b126772fd07c2cf544e0ac3b077864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.162048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103750/publication.txt
observed b147062512202bd6650a64a378a5b0d2...
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.