OpenTechnical

OT-2026-000021244

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000021244) never changes.

Identity and time

Publication numberOT-2026-000021244 · never reused
Internal UUID01a0ae6f-865c-7ac1-9082-04e16e7a7f94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021244
StatusPUBLIC

Content hashes

Canonical text08d81551d52c21cb3fd282bb1d85e7dab0e214aafa1c55c108265eef4379fedd
Markdown75e38cbd26f11e9bc5ecb2c58a936b680697e02d3cd6f3965199ed46268c25a4
PDF
Publication page01b830e1736b7e07bcc640a9080ac5193a02d9ea83a6226e28978474b69efcdc
Manifestedbc0db54ea01d79304d3f8d0abd6984ccd9266837281b3ec6281de5234624c3

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
SignatureqqfhIB2hufSIoGA4rVNqyvwDNmM2DEL6/r84ZtG4D7Mpbos/6UGVERHtaXJWHPapZvRYxzOCnockaM5rhXy6Ag==
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

2026-09-17T11:55:03.457594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021244
observed 01b830e1736b7e07bcc640a9080ac519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.440960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021244/manifest.json
observed edbc0db54ea01d79304d3f8d0abd6984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.423255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021244/publication.md
observed 75e38cbd26f11e9bc5ecb2c58a936b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:03.404474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021244/publication.txt
observed 08d81551d52c21cb3fd282bb1d85e7da...
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.