OpenTechnical

OT-2026-000012656

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-2026-000012656) never changes.

Identity and time

Publication numberOT-2026-000012656 · never reused
Internal UUID01a0ae6d-5562-7f95-8e32-0b75ee980a5f · 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-2026-000012656
StatusPUBLIC

Content hashes

Canonical textc30a430bad80722aff7918aae98aa46167c15c0511704de068c3dcebbc3c8491
Markdown043864dac38e06e0d6a9ee4d42fc0dbea17ba745c673289f5529e9ef3db78e39
PDF
Publication pageb2bf08e77e53516af6748b6eee1758c53d859d930536ea7caaf4ddfd30d44588
Manifestc0434f7e68c72373502794837298d787798de7b07d49b2db4175719ad03d0538

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
SignatureotDBx2DCek9TdttWmDn0znh5ZSdqGOgbp29wOZiBGn2kenHs5dJdLznxmGRe97sfhsELWOB0LQ/8y6Egk6nhAw==
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

2026-09-17T12:10:17.543056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012656
observed b2bf08e77e53516af6748b6eee1758c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.521317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012656/manifest.json
observed c0434f7e68c72373502794837298d787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.500594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012656/publication.md
observed 043864dac38e06e0d6a9ee4d42fc0dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:17.480354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012656/publication.txt
observed c30a430bad80722aff7918aae98aa461...
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.