OpenTechnical

OT-2026-000008449

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, sustained blow-off after set-down

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-2026-000008449) never changes.

Identity and time

Publication numberOT-2026-000008449 · never reused
Internal UUID01a0ae6a-e46a-70b0-8918-752f47d4185f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008449
StatusPUBLIC

Content hashes

Canonical textfb3ae7f4785a869b8ee438e6c7d7bf91dedc138f5f82cb16efae12aaef2c1aa4
Markdown45355bca20d0ade6c0469c0410b3d0ac6b68d2173d24a964ad2c7bc88ed8129e
PDF
Publication pageb88f0649fb7cbe874ef70fdcabd73f51e95e969b8c02811f59839eee79c7bad1
Manifest59c36fb086a45a44154f62a1936f370760af509be00abb4dcc9dec371df06b28

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
SignatureRQDIU+NQzY2CQ6huBo4h8IvRGXEsyMTM+evPGw2FGqBcGpwh4YAucEdHLDdnJBn/DzBqGlPucm+DS0/uJG3/DA==
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

2026-09-17T12:18:19.981576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008449
observed b88f0649fb7cbe874ef70fdcabd73f51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.963527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008449/manifest.json
observed 59c36fb086a45a44154f62a1936f3707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.942672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008449/publication.md
observed 45355bca20d0ade6c0469c0410b3d0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:19.924673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008449/publication.txt
observed fb3ae7f4785a869b8ee438e6c7d7bf91...
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.