OpenTechnical

OT-2026-000062775

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000062775) never changes.

Identity and time

Publication numberOT-2026-000062775 · never reused
Internal UUID01a0ae8c-6389-7dda-8214-1600fe6c7dd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062775
StatusPUBLIC

Content hashes

Canonical text3bab25b73a6e251f89c04092d78a3407d2fe7ea00b377de24f460b39274fcb4f
Markdownb17ffbceb4c1bc565ff89cf396b960362abd07848886f8e078e6d1a51bf486a3
PDF
Publication page1e386a2e7c8fb25c15da915077cdbbb8bed4015083fa47e57143a3b351a082a5
Manifest768757857233f0cd4518bd2c5513e99f5e2938976ed09ce8ed47b3abd669c07d

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
SignatureJauf85wWcdCKXizb1pUFbB6+TZ8EQ6kts1vb2+x6deqkDRsI0n2aRfK1e/E+WBh9NHN20R1rDAQygdly60imCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:21.688527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062775
observed 1e386a2e7c8fb25c15da915077cdbbb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.670255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062775/manifest.json
observed 768757857233f0cd4518bd2c5513e99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.652151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062775/publication.md
observed b17ffbceb4c1bc565ff89cf396b96036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:21.634822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062775/publication.txt
observed 3bab25b73a6e251f89c04092d78a3407...
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.