OpenTechnical

OT-2026-000047548

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000047548) never changes.

Identity and time

Publication numberOT-2026-000047548 · never reused
Internal UUID01a0ae7f-3e59-72b8-a4b0-671021069499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047548
StatusPUBLIC

Content hashes

Canonical text4dc39c4bd2905355cf088b2632fc1382d0555e598f67fc9356869c452e12e3aa
Markdown4b90ae5fe819cbc7e52efc77dc46f137b53e940b99b21f13f8740a74b967ad98
PDF
Publication page2e15a08bed660cfdee1201aa4593283238f9dddda564d4e0425df3a1c2db4ce1
Manifestf2b2a252f1c024c32384e260788c43252a8c4386173cdf6afc77c819618664f7

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
SignatureQ9a1xURzZXzvEQbddJoGMh6HRMPscvyAkJMX2akAIeZULPQSaRWb5do0i05ZptXPIQcnHKZauCw4t3D+07HwCw==
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

2026-09-17T11:06:40.026360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047548
observed 2e15a08bed660cfdee1201aa45932832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:40.008375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047548/manifest.json
observed f2b2a252f1c024c32384e260788c4325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.990021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047548/publication.md
observed 4b90ae5fe819cbc7e52efc77dc46f137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:39.972165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047548/publication.txt
observed 4dc39c4bd2905355cf088b2632fc1382...
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.