OpenTechnical

OT-2026-000062109

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000062109) never changes.

Identity and time

Publication numberOT-2026-000062109 · never reused
Internal UUID01a0ae8b-b8b0-715c-b619-09bfe9ded6cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062109
StatusPUBLIC

Content hashes

Canonical text3ea32c45d7fa35d7a8d7e3c0f375d79402451e1553cc11dfc473415681f9d440
Markdown124141c042e924c51bfbc37ebb685c2235f9acf7d2b1cf9f66a98289f2232b8c
PDF
Publication page6e7a3e545faa3bbcbb6da0f2fc83fdefd69cf11862f4c198e8efffa1d308f7d8
Manifest33b41291aaeb9d2c0360c98932aa6df8011cd71e93d4e786f80703b9aec022d5

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
SignaturesDEIOBFjIAqUudjTgVE64aMCOIamGExzF05/EXO96Urt6VKe2/zbDhA16wBtWFpcfpCR2oK6MvPQB6cFFWcaDw==
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

2026-09-17T10:41:10.109884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062109
observed 6e7a3e545faa3bbcbb6da0f2fc83fdef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.092576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062109/manifest.json
observed 33b41291aaeb9d2c0360c98932aa6df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.076134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062109/publication.md
observed 124141c042e924c51bfbc37ebb685c22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:10.057687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062109/publication.txt
observed 3ea32c45d7fa35d7a8d7e3c0f375d794...
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.