OpenTechnical

OT-2026-000061622

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, vented 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-2026-000061622) never changes.

Identity and time

Publication numberOT-2026-000061622 · never reused
Internal UUID01a0ae8b-7b45-7fb5-98aa-d7cc53dac589 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061622
StatusPUBLIC

Content hashes

Canonical textb1ab8acfa84ef7fcbf159a50aae3b3255cd6bdb9236495d39402cd5df0c5723e
Markdown530e562ab20f7baa17995fef8aeef3044b9e3019ffb472868571d6e6184b4462
PDF
Publication page72434567cbb3e18a4bad8c672a854a581de1b0a7cef33ccff58144916e954749
Manifest769b0561cf7989e112573c30e4f382ecf39d3b2c494ca20256526d99e49655a8

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
SignatureNzBZ8A61YquexPHLArlNJ14SNJBX5Ljh7qwam+1FaB6hc4qJszNTj1RBRRB/XdrY3phrJ463QgZ1ZMJjBqayDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:33.345717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061622
observed 72434567cbb3e18a4bad8c672a854a58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.326329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061622/manifest.json
observed 769b0561cf7989e112573c30e4f382ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.307531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061622/publication.md
observed 530e562ab20f7baa17995fef8aeef304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:33.289989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061622/publication.txt
observed b1ab8acfa84ef7fcbf159a50aae3b325...
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.