OpenTechnical

OT-2026-000007829

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, two stage ejector, supply line pressure sensor, vented 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-2026-000007829) never changes.

Identity and time

Publication numberOT-2026-000007829 · never reused
Internal UUID01a0ae6a-908a-7539-a7c1-3ec66ed069f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007829
StatusPUBLIC

Content hashes

Canonical text2855ddc9234d621b2f42ea4c789737f4f9288f99370815b9c767c4f26c5fd7a8
Markdowndb21d3a3241254da66d35e5aa40654d854d8c45291e20df8cd7e0b16c6e46800
PDF
Publication page036efdad9fcc9f6eabd090cccf27c435d72ec27f0cf7667ae9dccc9402507c43
Manifestd61a9de48f6dc90164818178a55039d05bd548dd1ea8b79eee6de571189f4a31

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
Signaturegrb3Kk2ji6jEmztET2jOP2Oir+UqZSfJuAsNxxQJNN9IQ7WwyFkWztmxD7jZoET5mjzSL/KSEjL+RgwI+dvlAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:16.782229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829
observed 036efdad9fcc9f6eabd090cccf27c435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.763688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/manifest.json
observed d61a9de48f6dc90164818178a55039d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.747208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/publication.md
observed db21d3a3241254da66d35e5aa40654d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.730960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/publication.txt
observed 2855ddc9234d621b2f42ea4c789737f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.895551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829
observed 036efdad9fcc9f6eabd090cccf27c435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.876908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/manifest.json
observed d61a9de48f6dc90164818178a55039d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.858681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/publication.md
observed db21d3a3241254da66d35e5aa40654d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.838757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007829/publication.txt
observed 2855ddc9234d621b2f42ea4c789737f4...
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.