OpenTechnical

OT-2026-000055428

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000055428) never changes.

Identity and time

Publication numberOT-2026-000055428 · never reused
Internal UUID01a0ae86-a101-7926-9400-8558206c628f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055428
StatusPUBLIC

Content hashes

Canonical texte0d10b3395a37ae474435c49add9791fa0e8945488ad07e571318b5a8766b3ed
Markdownd8001ec37e04d7a2b5060f88f46fea6190dc41c5cdca9f4b60f8b259fbe6dbb3
PDF
Publication page16ad4c28809307461d44ae61faed14ec849872f2f42a61e2cdf06adce5486abd
Manifest2d28004a5235daea493f7bf423d91020f1b6fb4b21657ed94c2ea7b06eb52647

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
Signature5uPr6C5Inhi/ejTThMf9AuO1bqkjjClb69BunX5J13/bMZpEJrX9UhUQUzMPJ1qlHAb+dbIjDFMon4OilZ00AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:04.561206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055428
observed 16ad4c28809307461d44ae61faed14ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.541347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055428/manifest.json
observed 2d28004a5235daea493f7bf423d91020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.524648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055428/publication.md
observed d8001ec37e04d7a2b5060f88f46fea61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:04.506494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055428/publication.txt
observed e0d10b3395a37ae474435c49add9791f...
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.