OpenTechnical

OT-2026-000044022

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000044022) never changes.

Identity and time

Publication numberOT-2026-000044022 · never reused
Internal UUID01a0ae7b-d679-71dc-b832-a70111c512bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044022
StatusPUBLIC

Content hashes

Canonical textf4346c9a6ea86262620f40c47a0b4e99d602c7cb7ce72604d495fec5e2cc6db8
Markdownd5e270d6f98ab01de88bdfacc09f065bef494e9ce2f38ff8fd06274193222ae4
PDF
Publication page3de60ae1441eb4036f2ea3adc7ec57b53bf42760e987b190879e22b54c43d06c
Manifestef6528fab69beacd1aa4b54026f2a273d9833cec175e31ccd0d605e601e7d48a

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
Signature/j4E+fy/5wXx8uEavp/t12lTNjsHPReBtGsppA7Z3ZHI57x+BE0az3erLw0FAwSenBMTndPAnGgEYAngM2q5Bg==
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

2026-09-17T11:12:24.393796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044022
observed 3de60ae1441eb4036f2ea3adc7ec57b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.375392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044022/manifest.json
observed ef6528fab69beacd1aa4b54026f2a273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.357234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044022/publication.md
observed d5e270d6f98ab01de88bdfacc09f065b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:24.340608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044022/publication.txt
observed f4346c9a6ea86262620f40c47a0b4e99...
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.