OpenTechnical

OT-2026-000006737

Publication integrity record

Vacuum cup gripper, three stage ejector, pressure verified, 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-2026-000006737) never changes.

Identity and time

Publication numberOT-2026-000006737 · never reused
Internal UUID01a0a965-a88e-74ad-8568-9404fe498e06 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:46:46.928330Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006737
StatusPUBLIC

Content hashes

Canonical textdf7aa2d0ea35d790c193c0fb61f4c9921e12fbfbc8aa67a334ca2eb82931d14e
Markdown08240b9d67a7dccab2791cd68e880ca2f7e74dbb4921b2115d95c1e800c62f13
PDF
Publication pagef6bbf1b255140d3cd3c084819277782e8b50da37bd2e4c898b5b110e18e063c1
Manifest721a565e8e71f7cc1031cc32aa88093039993057775ab242f441518a60cfeb27

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
Signature3W03TBOA7nSKa5dsjDJoi0Ubqd9wIivd7F+Da+mBBVpM+z4M0QsxHNvd4k5SE07uo23gEG9opMFmrxgNDjITCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:11.891678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006737
observed f6bbf1b255140d3cd3c084819277782e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.877737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006737/manifest.json
observed 721a565e8e71f7cc1031cc32aa880930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.743292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006737/publication.md
observed 08240b9d67a7dccab2791cd68e880ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:11.730732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006737/publication.txt
observed df7aa2d0ea35d790c193c0fb61f4c992...
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.