OpenTechnical

OT-2026-000019524

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019524) never changes.

Identity and time

Publication numberOT-2026-000019524 · never reused
Internal UUID01a0ae6e-f393-7f0b-9d76-be8626abc546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019524
StatusPUBLIC

Content hashes

Canonical textafd4f6fdf1ccac6b7479325622d38c4bacd6e70a5e52313e1ca1120353b93b1d
Markdown39b375a2fbfc7b0b34ab5088a8199b057c404ba9f96128c4502d4248e32aa91c
PDF
Publication pagedb16ca1a09af0e48fe856f3098478e5f589296f3f018d5b3466a7afd451b7f6f
Manifest640160cffd843f29e3fdc5ebb671d0fa65271491008871952dceae8618eaca2e

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
Signaturej3LZ/SxhqkUXcksh5/e4znPWAejd8Ft9djL8vteesojS52YN3LLAdi9MMYZ8zRc1eUcY6AGjsVrMWI72hG3lCQ==
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

2026-09-17T11:58:57.639131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019524
observed db16ca1a09af0e48fe856f3098478e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.621382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019524/manifest.json
observed 640160cffd843f29e3fdc5ebb671d0fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.603309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019524/publication.md
observed 39b375a2fbfc7b0b34ab5088a8199b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.583515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019524/publication.txt
observed afd4f6fdf1ccac6b7479325622d38c4b...
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.