OpenTechnical

OT-2026-000057495

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000057495) never changes.

Identity and time

Publication numberOT-2026-000057495 · never reused
Internal UUID01a0ae88-2692-7e79-abf1-d2f8dfc95418 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057495
StatusPUBLIC

Content hashes

Canonical textb420e673e0a5d2bd08d66f37a60b2139d18dacb8e9b62d952d79fb1bebaf70f5
Markdown117f8470c872035f883c82877c7f4fffc0b33b4a6f7b8280c1d03c010d6633ff
PDF
Publication pagecf846bd3ca90ae0cb6e4874276adf856b2f3364cd5196d865035abfa3b15e8f7
Manifestdd435cef092362b12b8ddb9ef679cb1a03e487b263c717d8cfbf36822cdec158

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
Signature31dhZ+7CBEDyiLoDYM835TzkLDLS0jlH15mjfdsRPFRc22girVVDbTgoqsvxnY2B/wtMfc3o3mdLqkwsQ4zuCg==
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

2026-09-17T10:48:01.217051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057495
observed cf846bd3ca90ae0cb6e4874276adf856...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.198204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057495/manifest.json
observed dd435cef092362b12b8ddb9ef679cb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.179367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057495/publication.md
observed 117f8470c872035f883c82877c7f4fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.162134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057495/publication.txt
observed b420e673e0a5d2bd08d66f37a60b2139...
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.