OpenTechnical

OT-2026-000014391

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000014391) never changes.

Identity and time

Publication numberOT-2026-000014391 · never reused
Internal UUID01a0ae6d-b27a-7ad0-8243-dd2403dcbe08 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014391
StatusPUBLIC

Content hashes

Canonical text6c9836c2d325594a3fb7adf4a3472e0f077fe8a0cf9ea16956835fa00d09d040
Markdown077c80bf906ab0a8d76337ad1b162d96e7abb1dd21355583390d2204523dccb4
PDF
Publication pagecc75b22275e877f4d984ed1f6d540bc9a7138af866466c2e4ba255da00067284
Manifest97f1c14f73995cc003aed524721d4f13e8b743f3b432313c7b14285f2c753642

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
SignatureHfjAxpItRxqsP8e8kcwdH64F8IQOKAkshYJIVWvCDM5v2oUDxEvDjs3aPRe0er6lV7pFu1KKoGliRIB+ruqtCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:08.847051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391
observed cc75b22275e877f4d984ed1f6d540bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.824423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/manifest.json
observed 97f1c14f73995cc003aed524721d4f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.806907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/publication.md
observed 077c80bf906ab0a8d76337ad1b162d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:08.788427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/publication.txt
observed 6c9836c2d325594a3fb7adf4a3472e0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.764654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391
observed cc75b22275e877f4d984ed1f6d540bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.746124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/manifest.json
observed 97f1c14f73995cc003aed524721d4f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.727483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/publication.md
observed 077c80bf906ab0a8d76337ad1b162d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:14.706582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014391/publication.txt
observed 6c9836c2d325594a3fb7adf4a3472e0f...
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.