OpenTechnical

OT-2026-000005079

Publication integrity record

Porous face vacuum gripper, four outlet manifold, plant vacuum fed, contact triggered

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-2026-000005079) never changes.

Identity and time

Publication numberOT-2026-000005079 · never reused
Internal UUID01a0a92d-3157-7816-8ca5-19346ba763f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:45:06.394348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005079
StatusPUBLIC

Content hashes

Canonical textf722e0d7d3d61b08e6330fbfb41dbac3710e8f428af2c75c98a6f60deee39716
Markdown63d6d72de0f218581bbee2c39343d362b9cf8acf75639823581ee64332bc4020
PDF
Publication page2750e112fdefaa6f01f1f1d9c5430f13720cac80315766480e41497e2f5c4cbc
Manifest7c4bdee949500f1ae03a2b209efe84350e69c4a66bde8b6166fbbc1547633f6c

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
SignaturezG8Ka1REkklNbCYQtezSr70ykjVNFLSAvoGtbpzekUFVWPB43oYYibrf7a9x+gDBgn1FQ94OFY69HE319PESDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:17.748753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005079
observed 2750e112fdefaa6f01f1f1d9c5430f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.733651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005079/manifest.json
observed 7c4bdee949500f1ae03a2b209efe8435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.720972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005079/publication.md
observed 63d6d72de0f218581bbee2c39343d362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:17.704566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005079/publication.txt
observed f722e0d7d3d61b08e6330fbfb41dbac3...
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.