OpenTechnical

OT-2026-000036640

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000036640) never changes.

Identity and time

Publication numberOT-2026-000036640 · never reused
Internal UUID01a0ae77-46e8-7bb2-9781-c8f11946a596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036640
StatusPUBLIC

Content hashes

Canonical textb78c1b8d5e03127ee891b1edc2a589bb7f36fca3ad250ecb573e0695617de540
Markdown912276e7dfbf59ec6c67ab76532482e66c559797c3db677c7f9f90548749a1b0
PDF
Publication pagedb6082111c53c21fc74d4636e7634ecd6d5886209f5f35a9e6f2990d7ffb45ab
Manifestc8321c0c7ccaf47c1a024c0ad0c3b7cf3681509f021135db4547850857a9d3fb

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
SignatureGY59M5IJ1z+xqTy6+t1UzAE0rEW4jto43nOOvn0V+fTmbyRNj6BRGUguqM0SRJKwdHhHWMSKKcCu4QtmFks7Cg==
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

2026-09-17T11:25:59.229795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036640
observed db6082111c53c21fc74d4636e7634ecd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.214223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036640/manifest.json
observed c8321c0c7ccaf47c1a024c0ad0c3b7cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.198176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036640/publication.md
observed 912276e7dfbf59ec6c67ab76532482e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:59.180562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036640/publication.txt
observed b78c1b8d5e03127ee891b1edc2a589bb...
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.