OpenTechnical

OT-2026-000008227

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000008227) never changes.

Identity and time

Publication numberOT-2026-000008227 · never reused
Internal UUID01a0ae6a-908d-7ddf-81e9-dd1dd0d00719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008227
StatusPUBLIC

Content hashes

Canonical text14606848c9fae3588dbe65b2ef730812c8c29652c8d858a1f840c0becd59b52a
Markdownb177c1b39dfe133fbd20a5e53aeba0bf132be2f06cca76e4132790d0893decfd
PDF
Publication pageed6dd3a55d52a54b876ea6555b5686529eb83bf4d47da2b811128edcd7b3f66d
Manifest1c539467344b54f96699df290fcf98c6f8730e9ef03a662e94c7754ab6c126d3

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
SignaturecKOIky1t2g7CFI7asJkN5j9+AzSxdHTomO6rhQ0Mde8PzsvtdSJlXvTgCv0zcpvMpfF/vOox3DhzVl46RvcyBg==
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

2026-09-17T12:20:38.825612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008227
observed ed6dd3a55d52a54b876ea6555b568652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.807348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008227/manifest.json
observed 1c539467344b54f96699df290fcf98c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.786516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008227/publication.md
observed b177c1b39dfe133fbd20a5e53aeba0bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:38.767356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008227/publication.txt
observed 14606848c9fae3588dbe65b2ef730812...
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.