OpenTechnical

OT-2026-000069414

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000069414) never changes.

Identity and time

Publication numberOT-2026-000069414 · never reused
Internal UUID01a0ae90-b52a-7f2b-a5eb-d777b76d1fde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069414
StatusPUBLIC

Content hashes

Canonical textaa43cbb14571da0c9de5aeca3397bc825540306448073bf274ee68a35559797c
Markdown8e9ae1f1c3ae249df05c667bbba57d7a20654d49c4f7d8f04c5e1adaa4fc24f7
PDF
Publication paged34232205c2832a383228e459ace98cafe67261bea9fc23a3d7fd8942d03e380
Manifest1b4437c8dafd5dace8caab0736740c6119123b51c3c00c1384529ba654012347

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
SignatureKPaDe3K9iBtQbi7/jRbhdG/+eeAMzl/TNZBPaAvFFZkJrCIElgqAbTHiepTfhXjrshNzQU6PzUFRSCO7CHDeCA==
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

2026-09-17T10:30:20.803095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414
observed d34232205c2832a383228e459ace98ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.784146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/manifest.json
observed 1b4437c8dafd5dace8caab0736740c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.766132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/publication.md
observed 8e9ae1f1c3ae249df05c667bbba57d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.748087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/publication.txt
observed aa43cbb14571da0c9de5aeca3397bc82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.041006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414
observed d34232205c2832a383228e459ace98ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.023634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/manifest.json
observed 1b4437c8dafd5dace8caab0736740c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:01.004877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/publication.md
observed 8e9ae1f1c3ae249df05c667bbba57d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.988031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069414/publication.txt
observed aa43cbb14571da0c9de5aeca3397bc82...
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.