OpenTechnical

OT-2026-000019750

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single 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-2026-000019750) never changes.

Identity and time

Publication numberOT-2026-000019750 · never reused
Internal UUID01a0ae6f-1fb4-72a0-9a1f-36ec6918935d · 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-2026-000019750
StatusPUBLIC

Content hashes

Canonical text16d85ed586c7afae55aade4053b6013344e3a5a29900c8525fca9122b08ec7f9
Markdown0154bdc7d1a11519996e2bf864be614e161cce1bb37a17443d4c9f645295fbc0
PDF
Publication page4444378fc75a60be35d2dc682e0731a18ca8cab62204c1c6b46d552c8046e96c
Manifest68c7e4cf0e10c7c04d51d4b87772bb8d623c053812ad80ee5c0c04ffccfb4f6c

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
Signatureg5qk+P4jKo42Yly3UcO9p/f2+AafvjG+PBBnnJZE1TmMvtB9RcyjJ0cVFe7PBShIcs68UhHyI+bSimC7e8jFAw==
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

2026-09-17T11:57:50.799196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019750
observed 4444378fc75a60be35d2dc682e0731a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.780511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019750/manifest.json
observed 68c7e4cf0e10c7c04d51d4b87772bb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.762111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019750/publication.md
observed 0154bdc7d1a11519996e2bf864be614e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:50.743859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019750/publication.txt
observed 16d85ed586c7afae55aade4053b60133...
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.