OpenTechnical

OT-2026-000038272

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000038272) never changes.

Identity and time

Publication numberOT-2026-000038272 · never reused
Internal UUID01a0ae78-2d51-719d-9894-c4ccb2b041d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038272
StatusPUBLIC

Content hashes

Canonical text7a7b821fde36bf9a19ac57e003bbc9de312b0d251a817fb7e9b936b537c98e1d
Markdown91b954346d8983d748d4a97a20b24f331eb866713138dfaeb9b98f839b2d2bdd
PDF
Publication pagea7dbfbe07cded72fac0417780f453bde7edf27ffdd66d18c6a3922e1f783f7f3
Manifestb99727962d841e7d970fe68ef5c8b73a84615a5bd72bc098f186778943d5c32b

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
SignaturectzFzi5dva6ev5RGkRO73pSVX++xdxFuUa06WYrcR2ugvcsgxSS+JSx4u+RrKxqrwgGu5dGbl7ZZWQt1gdXZBQ==
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

2026-09-17T11:22:26.024366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038272
observed a7dbfbe07cded72fac0417780f453bde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:26.006855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038272/manifest.json
observed b99727962d841e7d970fe68ef5c8b73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:25.956026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038272/publication.md
observed 91b954346d8983d748d4a97a20b24f33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:25.902498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038272/publication.txt
observed 7a7b821fde36bf9a19ac57e003bbc9de...
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.