OpenTechnical

OT-2026-000043644

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000043644) never changes.

Identity and time

Publication numberOT-2026-000043644 · never reused
Internal UUID01a0ae7b-92d0-7f98-8640-371f58a20faa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043644
StatusPUBLIC

Content hashes

Canonical text58f8032913286ffa4127ee130604a9d699327d4aacdf647e7de2e225e7359e96
Markdownae91976b82b4d9203a8f97c39fa523a023c8c4f3fa08ef385444ad34ccfdaeb9
PDF
Publication page27c9b7adc06cb35b9cde82fa0d1e7306351ab9c97d53ce37eedc0d865d5a6387
Manifest8610e96c964cda7742a083c8e4f9eac4d48d07a39af998fbbe282e46cc1ad5b0

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
Signature2hJnN6/6lIN11UNjeZlu+dQqyNj4wBUmz4skaw7MgAFwnsApaznFb+0m0NJiFZzLC5DV1O8aKtx2N6gydz4QBA==
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

2026-09-17T11:13:07.433280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043644
observed 27c9b7adc06cb35b9cde82fa0d1e7306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.414604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043644/manifest.json
observed 8610e96c964cda7742a083c8e4f9eac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.395433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043644/publication.md
observed ae91976b82b4d9203a8f97c39fa523a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:07.376690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043644/publication.txt
observed 58f8032913286ffa4127ee130604a9d6...
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.