OpenTechnical

OT-2026-000026192

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026192) never changes.

Identity and time

Publication numberOT-2026-000026192 · never reused
Internal UUID01a0ae71-a841-78ad-a3db-10606eb9e9f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026192
StatusPUBLIC

Content hashes

Canonical textdc89c532a8fabe5577126c08f59f3f177807923ab72b87460091be341a589046
Markdownf7e7582b832aaf2d62949b37c2541cc5bd00375c549341d23a6272c5fa6804c8
PDF
Publication page80eee5b3a2980580c285795c3e78f02fe42ce3d5abd3fe72ebbdc4561a0f1f81
Manifest47cf8543905181f55983361e5e7193e9f53beff75fd9429099883a412d9f9c97

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
SignatureQDVih/kJOQ8v1QxzILagywPFbaWZVvLTFWn79Oi2nklwenAFtkfa4rbKpBw2Lejs2CYf5vyO27tYBJ81BJIwAw==
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

2026-09-17T11:46:42.343222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026192
observed 80eee5b3a2980580c285795c3e78f02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.325180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026192/manifest.json
observed 47cf8543905181f55983361e5e7193e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.305371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026192/publication.md
observed f7e7582b832aaf2d62949b37c2541cc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:42.287024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026192/publication.txt
observed dc89c532a8fabe5577126c08f59f3f17...
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.