OpenTechnical

OT-2026-000057831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000057831) never changes.

Identity and time

Publication numberOT-2026-000057831 · never reused
Internal UUID01a0ae88-6ed8-7cd7-8a6a-970f40833cbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057831
StatusPUBLIC

Content hashes

Canonical text6700fa039151991236d5b1c0aa8da9e91450b6aba68812f3ec4f2f82cf04271f
Markdown9941e24697fa441f0a41eaed9b886e4c0d6693d5256ef88b4448f161264afd63
PDF
Publication page531733ecb9be1669fcb33863305ee4378b1a00385efc0582b715b9781727ca2c
Manifestbe05774bf85bb6f43916dbbb3e492992cb7a5a1041219688b96d592469174188

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
SignatureHzpVzsLc6Q8lIDo4pF9yn5cgcmUuwfDWy4Rl+FN08AsZThckqhq9JJ4QwCj5/98LOUReiTCjOEJCrGIGuXqCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:24.304578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057831
observed 531733ecb9be1669fcb33863305ee437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.286344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057831/manifest.json
observed be05774bf85bb6f43916dbbb3e492992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.268173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057831/publication.md
observed 9941e24697fa441f0a41eaed9b886e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:24.249242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057831/publication.txt
observed 6700fa039151991236d5b1c0aa8da9e9...
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.