OpenTechnical

OT-2026-000057994

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000057994) never changes.

Identity and time

Publication numberOT-2026-000057994 · never reused
Internal UUID01a0ae88-6ed9-72ad-bdfd-06c16a6c5f53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057994
StatusPUBLIC

Content hashes

Canonical text6df8276bbd276601059996b20f298fa7ef54e068950ffa425c4a994f5a50fd69
Markdownaff450bedbd35205e343dc439dcb08c81f95286d165d41faedb7ff69d3cc57f5
PDF
Publication pagef39ef52070cb9117d435619eac157d0215635855d47ffe64441aaa2c94ed7935
Manifestb42e223ee17d0b9e819d6d693d98d0137179b46207165901379d4436c95073bb

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
SignatureBe4ADdt4wXEY3vj9npp6MF+bb870xsAh7xIUZ4U+moHQhxwJ1eKwMxneXwNo1iw5QSxRryRhg4A4WFT6ZVVWCQ==
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

2026-09-17T10:47:37.450256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057994
observed f39ef52070cb9117d435619eac157d02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.432842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057994/manifest.json
observed b42e223ee17d0b9e819d6d693d98d013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.414192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057994/publication.md
observed aff450bedbd35205e343dc439dcb08c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:37.394955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057994/publication.txt
observed 6df8276bbd276601059996b20f298fa7...
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.