OpenTechnical

OT-2026-000042179

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042179) never changes.

Identity and time

Publication numberOT-2026-000042179 · never reused
Internal UUID01a0ae7a-5d72-7333-9e1e-9f56fee695b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042179
StatusPUBLIC

Content hashes

Canonical textb1bc169d9607239de3cccdc7a42290dc385f7eae0320affaee1f7baa012bafdf
Markdown159fd843e1763bfdfd228666be2afd1516401135cbd4b963beb19ad9df20dad8
PDF
Publication page6c17c53e762a249601ab52382eb4cf847074ed066ef0d87fd5fb603035caa79e
Manifest370696be3e43543b3901e0f58ea3894a78efe75316d96c5e8811436a37ab0ccd

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
SignatureqoZkoeA1LPMaKlDvmbbluCnTh/WtD+8Hi/HIS7g3tPGWWHlc1R0u/LE91AV61ybvPMLsAaCFMYojc7E4swWmDw==
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

2026-09-17T11:15:50.223302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042179
observed 6c17c53e762a249601ab52382eb4cf84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.205334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042179/manifest.json
observed 370696be3e43543b3901e0f58ea3894a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.185725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042179/publication.md
observed 159fd843e1763bfdfd228666be2afd15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:50.167682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042179/publication.txt
observed b1bc169d9607239de3cccdc7a42290dc...
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.