OpenTechnical

OT-2026-000029738

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029738) never changes.

Identity and time

Publication numberOT-2026-000029738 · never reused
Internal UUID01a0ae73-5e23-7dfe-80ad-0b347e9a4cb6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029738
StatusPUBLIC

Content hashes

Canonical text51137e52b3df29e3c479f7e9be1a36f722a814343bdd95a1e984cf1bb57312bc
Markdown08a6710cb636c519aa068c2dbad61571361d925e46da5af28c81056c9b80e877
PDF
Publication page722a1b5dc61fb278925696bce14a84ef85f1047a39629e4d71297a0a8b0a477b
Manifestf59f187556bb166d6ff9c0075618ad6f40ce3da8997f78eaf771dec244be3e0c

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
Signature+jdGz4D8fyllWxpO5ac2yonkvxEswvu27lgEJfMEbHSv02YCtqloFiguvblCb3VdDWBFuGWrnh7XmXWqpMQhAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:28.746769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029738
observed 722a1b5dc61fb278925696bce14a84ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:28.727911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029738/manifest.json
observed f59f187556bb166d6ff9c0075618ad6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:28.707333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029738/publication.md
observed 08a6710cb636c519aa068c2dbad61571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:28.672011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029738/publication.txt
observed 51137e52b3df29e3c479f7e9be1a36f7...
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.