OpenTechnical

OT-2026-000047845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047845) never changes.

Identity and time

Publication numberOT-2026-000047845 · never reused
Internal UUID01a0ae7f-c421-7179-8bd5-93417bc4902c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047845
StatusPUBLIC

Content hashes

Canonical texta77f9b9b2a04671ad93d1371dda806c37986f3d142c728cf82c0adf90474621c
Markdownb0f26bdd8ae515ef91203a4c93c82f07f64c1b259e04a821c946cc452b2264c6
PDF
Publication pagefd0fb3af058acd1ba03602187f6e678f8c33138c58218f523be24268cc48154b
Manifest4451fe3144a0893b68d7b7c618cb960827b13747893fd818d4a1f868872dc9be

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
SignatureqEX3eMmcPF3oxfWBD+bBE1+fGf/qD3rb0reOhYnWDG3GR6uam6QPhWhOtCd8MXrUI0k22J7Pw3a/TyDaXJV0DA==
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

2026-09-17T11:05:45.814228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047845
observed fd0fb3af058acd1ba03602187f6e678f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.794746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047845/manifest.json
observed 4451fe3144a0893b68d7b7c618cb9608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.774328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047845/publication.md
observed b0f26bdd8ae515ef91203a4c93c82f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.753107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047845/publication.txt
observed a77f9b9b2a04671ad93d1371dda806c3...
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.