OpenTechnical

OT-2026-000019654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019654) never changes.

Identity and time

Publication numberOT-2026-000019654 · never reused
Internal UUID01a0ae6f-1fb3-7894-a378-f3647225417c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019654
StatusPUBLIC

Content hashes

Canonical textf439763de7d2a235520df5eb8ef506a7815d25097aaeadea2ac6dfa6a5021eae
Markdown27d7c2c843e1a873ae196b53d45801963a8b501cc00e2e95dcf9fdbd5daaedc8
PDF
Publication page99c280875c0950518fdd4f3fd50e3cd7b98cd8dd9c8b48a5958c7ecb4e83faf6
Manifestac6e2c1dfccd0ef3450ea199228a55119cfddcd0a3f2c8df8e0d41744899f588

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
SignatureqTSmzhga06VBMDghgOazfIYWz6gVbyIY2P7yAvm0sVbN+wtW8c+/fnolVblOxVRK1t5ryozI3nGPEitj6kATDw==
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

2026-09-17T11:57:43.054986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019654
observed 99c280875c0950518fdd4f3fd50e3cd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.035944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019654/manifest.json
observed ac6e2c1dfccd0ef3450ea199228a5511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:43.016460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019654/publication.md
observed 27d7c2c843e1a873ae196b53d4580196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:42.997745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019654/publication.txt
observed f439763de7d2a235520df5eb8ef506a7...
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.