OpenTechnical

OT-2026-000034242

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000034242) never changes.

Identity and time

Publication numberOT-2026-000034242 · never reused
Internal UUID01a0ae75-df0d-7447-9866-391980d2b876 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034242
StatusPUBLIC

Content hashes

Canonical textc80bdfeff448f7f75f9724ffd1213a72b7bd79e8e3858a9112bfdee98901ad34
Markdown9dc7871e10a9d4d7b2479d22fc84c543cd4d9e31c0e125272e0fe392b11f969d
PDF
Publication page89bb78e5b421f9cf9a404f61b6fb3d6310481b53488587d6b3260f755cf44ea6
Manifesteb2d5b5282586192690730bc0562e3eafc5be9804baa8474ea3981e250c18d87

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
SignatureG33vYM1AEIpqezolQx6Cir7qlr8ZIzAh+dvEO66y4EihEkw3F0OGeFpoK4RtRIbJegb9mM4wrBFrY9WJeMrGCw==
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

2026-09-17T11:30:47.820140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034242
observed 89bb78e5b421f9cf9a404f61b6fb3d63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.803203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034242/manifest.json
observed eb2d5b5282586192690730bc0562e3ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.786826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034242/publication.md
observed 9dc7871e10a9d4d7b2479d22fc84c543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.770455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034242/publication.txt
observed c80bdfeff448f7f75f9724ffd1213a72...
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.