OpenTechnical

OT-2026-000019725

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three 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-2026-000019725) never changes.

Identity and time

Publication numberOT-2026-000019725 · never reused
Internal UUID01a0ae6f-1fb4-78a7-9442-3ca74665f18d · 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-2026-000019725
StatusPUBLIC

Content hashes

Canonical text8098fa4096aee0bd9786869cf65b1ef7441a344d1fd0f82a57222c4a2bb6d6b4
Markdowne4ddcf028001e651e2fe43a6b31198476ea0e737d5ea2f53e6739889fdb007bb
PDF
Publication pagef3a15f13ad76622f05c9f4c883039a803e85ea485eef185270a750618dcbd184
Manifest46ca61f3e2394ffc427f8800c965384a6c7b327be21342f9f581c290e3ff920e

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
SignatureIeQ0Y1v2D7O5Q2UYPZlYkiNUdoWnB+Ep+5PPeDyw0CYIPGEMQpkqBib7Npp0IZH7udRoIF7Te7L1JB34NhdYDQ==
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

2026-09-17T11:57:48.814732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019725
observed f3a15f13ad76622f05c9f4c883039a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.796966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019725/manifest.json
observed 46ca61f3e2394ffc427f8800c965384a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.778806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019725/publication.md
observed e4ddcf028001e651e2fe43a6b3119847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.760845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019725/publication.txt
observed 8098fa4096aee0bd9786869cf65b1ef7...
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.