OpenTechnical

OT-2026-000037416

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000037416) never changes.

Identity and time

Publication numberOT-2026-000037416 · never reused
Internal UUID01a0ae77-b8cd-7bac-b678-ad9d4dd01063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037416
StatusPUBLIC

Content hashes

Canonical textc1c71fd8e024d243c037bd2b98f35a4397b161dab5b083518b727170e53cb542
Markdowncd861dd87ec051e6bbdaf61f29bc1a18028b0f80bd5fd1566b2150ed70acad4b
PDF
Publication paged00cc3151c14067263a2ab9fada921ae28febaa5d3b18582f427f31d718c5587
Manifest6346b035f411d118537f7993f5f11be2c820f9d2ac417820ccafb63d8c080b26

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
SignatureVzM1fnaCyg3XexytU9S91BCnHnshLonUiNuf/BXMyJUA0dfDXGOULuM8VuO21/IY5G8Hxs5vFjUbfaOrBW5ACg==
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

2026-09-17T11:23:51.081913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037416
observed d00cc3151c14067263a2ab9fada921ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.064522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037416/manifest.json
observed 6346b035f411d118537f7993f5f11be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.045833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037416/publication.md
observed cd861dd87ec051e6bbdaf61f29bc1a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:51.027173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037416/publication.txt
observed c1c71fd8e024d243c037bd2b98f35a43...
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.