OpenTechnical

OT-2026-000047381

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047381) never changes.

Identity and time

Publication numberOT-2026-000047381 · never reused
Internal UUID01a0ae7f-3e57-7333-af34-b5a8a0d66b5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047381
StatusPUBLIC

Content hashes

Canonical text9a647a7ff313fa8d1264f9715808ee011009441689bf8c9bb4b8fb94e8332942
Markdown8efd599c49cfd43820266c26ead770c73b5180f90495a6d01ceb5df43a804eab
PDF
Publication pagec677ab1ba94cedaf99900f063736aa05155e69bcc34a939acce2eb23165453e4
Manifest6b681f2264b533e00500af13e84bdfd3c45b0fdeafcce8a2bc69f5982e58b691

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
SignatureCm/vrhwns1myIlBn2p//OHyBFafsBAt7Tor8Iia4NY089B51Svvc2b6es0zxV0eIjyuYnDpZsvMwdXM3nDOFAA==
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

2026-09-17T11:06:23.277747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047381
observed c677ab1ba94cedaf99900f063736aa05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.260023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047381/manifest.json
observed 6b681f2264b533e00500af13e84bdfd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.243196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047381/publication.md
observed 8efd599c49cfd43820266c26ead770c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:23.225733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047381/publication.txt
observed 9a647a7ff313fa8d1264f9715808ee01...
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.