OpenTechnical

OT-2026-000009355

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000009355) never changes.

Identity and time

Publication numberOT-2026-000009355 · never reused
Internal UUID01a0ae6b-7561-7e25-8a03-7041f198cdc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009355
StatusPUBLIC

Content hashes

Canonical text6a9978ed618362fd1ba0bde16dcc196c848f0b7cb407d40c4770b11a46524e01
Markdown73f408b7f58fb08c0d434a7d7a3e6c7f50bd7e24488c1f69750f3e326978b920
PDF
Publication page10c8d10e7876ee646b9b1ff46641edd23eafed91e6fc15f658d7937b359d30f6
Manifest23b6089a611650efa88d9b98068eec7aa1ae7db2bf5849aa1d98f4ce28a5c273

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
SignatureOEucjQuc/24/p7z+H2h6OWQGt+aTQBQdfieZFlOCECJ3FM5YzfrDG4ZHF2EyLucXarZjyxxSTeihHXO1BwR8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:37.218877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009355
observed 10c8d10e7876ee646b9b1ff46641edd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.200020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009355/manifest.json
observed 23b6089a611650efa88d9b98068eec7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.180442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009355/publication.md
observed 73f408b7f58fb08c0d434a7d7a3e6c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:37.160915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009355/publication.txt
observed 6a9978ed618362fd1ba0bde16dcc196c...
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.