OpenTechnical

OT-2026-000043276

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000043276) never changes.

Identity and time

Publication numberOT-2026-000043276 · never reused
Internal UUID01a0ae7b-327d-74e1-859c-40b682e373d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043276
StatusPUBLIC

Content hashes

Canonical textcf2ce4ed5a0566b15b0ec8688130fa71e84e4e2d2569f6357b40d0eed651377c
Markdowne2f0d60e93a87aa51e49eed9e6bc5d7266a5860c22e3a3406c42dfa16a584adc
PDF
Publication page53c3fbdd245e674532c0a038b076bb0a41e49fe050bbb2a82aae86fb3ccc63e3
Manifest51b03fe19a3d1ee153b77f0b9696fb53c75a04b705dda6bf3995b83cf6084e59

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
SignaturezIwfKQeuoFJMdSvvCpK/ydVKTy6NJxMjIW6B/RTyro+RZJHg7OcV8M/eOpJhGtMHNyx0PCUblXhHpzY0SR7/DQ==
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

2026-09-17T11:13:45.862411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043276
observed 53c3fbdd245e674532c0a038b076bb0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.843426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043276/manifest.json
observed 51b03fe19a3d1ee153b77f0b9696fb53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.824443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043276/publication.md
observed e2f0d60e93a87aa51e49eed9e6bc5d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:45.805613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043276/publication.txt
observed cf2ce4ed5a0566b15b0ec8688130fa71...
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.