OpenTechnical

OT-2026-000012636

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000012636) never changes.

Identity and time

Publication numberOT-2026-000012636 · never reused
Internal UUID01a0ae6d-5561-7440-b26a-f68fb66ac5d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012636
StatusPUBLIC

Content hashes

Canonical texta8cbb137ca172d534330d528d6d2b23c61b9cd50ca54c96bbee9c36e98b36942
Markdownf09ce077b2a771794ddacde5f4450fd3e97b457880bfbd4b865b4316fe59c193
PDF
Publication page076b85b953819a7277b903c0535e8d3669a3bf49fcfe426c5cacc2f1cd19f18f
Manifestfde7e0446c079d44ad15c680f9fd850b22fbf2ee587e0e320b5b3f6c25a607b9

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
SignaturejF1+oznSWvMdXWT8wrgIhXHNIk3xTo1+Uiv7fEYSrkyUpza21/h6OZFDfsEaYjQrFdCEQ/O/pLIbkh0tyJYFAg==
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

2026-09-17T12:10:15.928193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012636
observed 076b85b953819a7277b903c0535e8d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.905007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012636/manifest.json
observed fde7e0446c079d44ad15c680f9fd850b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.883731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012636/publication.md
observed f09ce077b2a771794ddacde5f4450fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:15.861640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012636/publication.txt
observed a8cbb137ca172d534330d528d6d2b23c...
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.