OpenTechnical

OT-2026-000053399

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, supply line 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-2026-000053399) never changes.

Identity and time

Publication numberOT-2026-000053399 · never reused
Internal UUID01a0ae85-0a8f-7c50-a305-c752af4d132f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053399
StatusPUBLIC

Content hashes

Canonical textf65823aec55f7883247bb0dcab8d475e867087c9be9f2f2515e47ee63bc2629f
Markdownb9a05a33c7642f5b4b498eebdb5271c849572b52dda174b241b23424ce1c94c8
PDF
Publication pagea04a04baab3873138376ec27a313357a636819bea071547d5554e7cf8b05ec7a
Manifest6511d3454af6f58e37a102d9836d6c20024bde76cdadad2b16d99088aa91d445

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
Signature6DgqvBo5poA74ZF5bAAOeLTNtsShoQ+154LRWF0Mk/EyVARtrHZzveJ+3flIo2YcwrenuMWPu/AaGAhvg9F6DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:07.530383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053399
observed a04a04baab3873138376ec27a313357a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.512122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053399/manifest.json
observed 6511d3454af6f58e37a102d9836d6c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.492711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053399/publication.md
observed b9a05a33c7642f5b4b498eebdb5271c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:07.473092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053399/publication.txt
observed f65823aec55f7883247bb0dcab8d475e...
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.