OpenTechnical

OT-2026-000057903

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000057903) never changes.

Identity and time

Publication numberOT-2026-000057903 · never reused
Internal UUID01a0ae88-6ed9-7b4b-9ee8-bdde16449fcf · 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-2026-000057903
StatusPUBLIC

Content hashes

Canonical text7cb37d8fd9a69b8ebe611dedd87c1e7128f4384d8e4ee31b7fee4c51260899e3
Markdownfbe091dc0b8fa76398ab34134359a040223e52a5429231c756e827e0384d20f3
PDF
Publication page2987066826a43c9e6df8a0c2d94d978ceea6e30d33f066c0a01af299c651b62b
Manifestb5e02b2ecdce71fdcfb333de7a4dcb60e4fc9dfb8c73abc01d88cce5f3f7bd84

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
SignatureclxL0EvN5AgzDSWgB70YyonzXdzHcPyAN9ZakvcdwDN8+0eSchQ4zU+hgTgifbLEQV2hEvmnV/1VHaMTjmZhAw==
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

2026-09-17T10:47:30.302083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057903
observed 2987066826a43c9e6df8a0c2d94d978c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.283238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057903/manifest.json
observed b5e02b2ecdce71fdcfb333de7a4dcb60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.264145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057903/publication.md
observed fbe091dc0b8fa76398ab34134359a040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:30.245591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057903/publication.txt
observed 7cb37d8fd9a69b8ebe611dedd87c1e71...
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.