OpenTechnical

OT-2026-000047506

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000047506) never changes.

Identity and time

Publication numberOT-2026-000047506 · never reused
Internal UUID01a0ae7f-3e58-7d1b-b2b6-dd1b2247265a · 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-2026-000047506
StatusPUBLIC

Content hashes

Canonical text29c765300aa92eba188a8c0c76a637d1e87bfe5d167edccfa1873b5cf7dbee89
Markdownf01fa4668ee32d111f6aa272096c297c6ecc0cdd9434943e066b1f69d06fc286
PDF
Publication pagecb3bb9a422e6cffd01e76a6fd1e7b10883a59d7252643945c78d6d04c2cda304
Manifest7f7475b68648c19c3428b6a14a5ddedbcd5c8e4a8d7ab98b4a63d4b09c1b9498

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
SignatureG4l4TCS3XEufXKLdzh39vui/jQ7RMsSnOcuTwySI73+T5dnZijzweJiZYe1osnwnzdaxniYoARPVsc05k8ffBw==
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

2026-10-20T16:41:13.221642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506
observed cb3bb9a422e6cffd01e76a6fd1e7b108...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T16:41:13.145945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/manifest.json
observed 7f7475b68648c19c3428b6a14a5ddedb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T16:41:13.075512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/publication.md
observed f01fa4668ee32d111f6aa272096c297c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-20T16:41:12.958840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/publication.txt
observed 29c765300aa92eba188a8c0c76a637d1...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.236416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506
observed cb3bb9a422e6cffd01e76a6fd1e7b108...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.218162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/manifest.json
observed 7f7475b68648c19c3428b6a14a5ddedb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.198430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/publication.md
observed f01fa4668ee32d111f6aa272096c297c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.178643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047506/publication.txt
observed 29c765300aa92eba188a8c0c76a637d1...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent