OpenTechnical

OT-2026-000011638

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed blow-off before set-down

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-2026-000011638) never changes.

Identity and time

Publication numberOT-2026-000011638 · never reused
Internal UUID01a0ae6d-1940-7136-8292-99f6fec7ab77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011638
StatusPUBLIC

Content hashes

Canonical text3118a2fc6a6eecffe676592bff51a8ec78d3f551e5f3e3173b97a81fdd87970f
Markdowndd9915dabe92d1908a37a1612ffc675b2a4e56074dfb3e9e7954942402f82c06
PDF
Publication page532b363acc24c168920dc76f78c6e26f90f40a568d29eb695432c344b7aa8620
Manifestb359deffe91e2a49017fe065c325ec59249fcf448ad12168d613081991014959

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
SignatureiPhPQSDtwO0xaZ2QGNSO5QgHWzSa8k14F8fChmbQFxqhOQynkQygq/johfbRU0Gh5ifZWqXaFzzIv23QmA21Bg==
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

2026-09-17T12:12:13.244640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011638
observed 532b363acc24c168920dc76f78c6e26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.225292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011638/manifest.json
observed b359deffe91e2a49017fe065c325ec59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.205715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011638/publication.md
observed dd9915dabe92d1908a37a1612ffc675b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.186454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011638/publication.txt
observed 3118a2fc6a6eecffe676592bff51a8ec...
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.