OpenTechnical

OT-2026-000035454

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000035454) never changes.

Identity and time

Publication numberOT-2026-000035454 · never reused
Internal UUID01a0ae76-a762-7dc6-9307-5520decaf19f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:26.834147Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035454
StatusPUBLIC

Content hashes

Canonical text43fb969af7f5b99f83b84d84e4e75e73978d2624f0360237e9eaa4cc88163211
Markdown794ad5a53a880d6806d01c0255c64f24dba1fdcf8b5fde36524f98994c5bc65e
PDF
Publication page860fb14535ae8628a6de2ee126b496eca626206dc1bb3fb4299604f74d173176
Manifest3f12ee93b8d4314e9108f08b211c751adf4f959d2867442f9259bafd6253b28e

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
SignatureaUn2nc3QPnULtF1U6EuBwxvnLNR2Kh/WWO9sDe7c38ADEf2OwE7dwQm7qISW+ZTwNXdVsCkRttlJvi0E5g3JAw==
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

2026-09-17T11:27:50.676415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035454
observed 860fb14535ae8628a6de2ee126b496ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.660522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035454/manifest.json
observed 3f12ee93b8d4314e9108f08b211c751a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.639571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035454/publication.md
observed 794ad5a53a880d6806d01c0255c64f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:50.608826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035454/publication.txt
observed 43fb969af7f5b99f83b84d84e4e75e73...
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.