OpenTechnical

OT-2026-000013717

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000013717) never changes.

Identity and time

Publication numberOT-2026-000013717 · never reused
Internal UUID01a0ae6d-8de8-7e5e-8a46-b05655b49bbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013717
StatusPUBLIC

Content hashes

Canonical texta37f8b7deef27a028502e2b14353eed0ac671d4ed3a562929f53a611deb7c4cd
Markdownf7a4d414aca0ef3fe8517b15045b59222876daf6c64d9f02080c008161bb1eba
PDF
Publication pageb7b63c4a1774b676335954bd372a7ce3c69266c809950d9c3be88b3372f73dd7
Manifest28a1c9f20ca6270d3044cbc37478f71894b61d4983742d64fe8fe02b4b2ab009

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
SignatureTqtMdTDsYsirZLxJvIr8RXbRX34WYjDDhA7xVqWqrQyML9wJOPSSJwff0eUF0QyQJYS/sKiKIDnhoXCfxQwZDQ==
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

2026-09-22T04:23:35.615986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717
observed b7b63c4a1774b676335954bd372a7ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:35.598136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/manifest.json
observed 28a1c9f20ca6270d3044cbc37478f718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:35.581179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/publication.md
observed f7a4d414aca0ef3fe8517b15045b5922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-22T04:23:35.543261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/publication.txt
observed a37f8b7deef27a028502e2b14353eed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.759856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717
observed b7b63c4a1774b676335954bd372a7ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.739536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/manifest.json
observed 28a1c9f20ca6270d3044cbc37478f718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.720742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/publication.md
observed f7a4d414aca0ef3fe8517b15045b5922...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:40.700106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013717/publication.txt
observed a37f8b7deef27a028502e2b14353eed0...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent