OpenTechnical

OT-2026-000072274

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072274) never changes.

Identity and time

Publication numberOT-2026-000072274 · never reused
Internal UUID01a0ae92-47c3-72bd-bff9-f2cee1a15c59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072274
StatusPUBLIC

Content hashes

Canonical text7b7b0a47a16257b778bd562c9b37f6b1eafe23cf8b74187215c9dbf549f6b38e
Markdown24a62b7c7303dfaac4c797de8170e250804fe4c292518e5f6a2b97d8901f0dc1
PDF
Publication page469a80dc2c9bd6ba697dd155d2923b1e39695f37931245c9fc4b3f19d67ae6f2
Manifest955262f12565022bef61e3423ffe5a4d626fa1bb4f71626b626a03e81ed79235

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
SignaturenZex8teSQFXtthVTR1M5Iqat4jsnL5TsBV0B1pjnRvSo+5ywYZYw66Yblshwbc42S+rdsXCxg9HVy4qosxdqBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:23.243773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072274
observed 469a80dc2c9bd6ba697dd155d2923b1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.225881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072274/manifest.json
observed 955262f12565022bef61e3423ffe5a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.210153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072274/publication.md
observed 24a62b7c7303dfaac4c797de8170e250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:23.192630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072274/publication.txt
observed 7b7b0a47a16257b778bd562c9b37f6b1...
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.