OpenTechnical

OT-2026-000073579

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two 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-2026-000073579) never changes.

Identity and time

Publication numberOT-2026-000073579 · never reused
Internal UUID01a0ae92-efb9-75c2-816a-2f3f6b5b0934 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073579
StatusPUBLIC

Content hashes

Canonical texta53a7199ed2535060f831a00c9453d9eb99ec4642b5733066611c1bd69b93e7a
Markdown6d45a61798740260a4356a6691fe393d90320ab70755b1ab8af7b019adaa6ce1
PDF
Publication page81c60632c04bbccc85de4dc499ae357a7774a1b30f2dea972f9cd11f067f935c
Manifest588975e19b1c3da21d2249cdaad059eb2a5e70f6d2d0f1fb90db5ccfc317ccdd

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
Signature8qkRCeKD/+26GxkvEQWhk6En5O0wZ+E/hcDJJph3L7tVtIPR30K7YvLNP8g00T+T2UnwgjK1jIMfje0wpp6qCQ==
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

2026-09-17T10:21:45.383030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073579
observed 81c60632c04bbccc85de4dc499ae357a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.363755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073579/manifest.json
observed 588975e19b1c3da21d2249cdaad059eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.345660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073579/publication.md
observed 6d45a61798740260a4356a6691fe393d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:45.328058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073579/publication.txt
observed a53a7199ed2535060f831a00c9453d9e...
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.