OpenTechnical

OT-2026-000033212

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033212) never changes.

Identity and time

Publication numberOT-2026-000033212 · never reused
Internal UUID01a0ae75-4844-7bd8-adc5-de56a3faa963 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033212
StatusPUBLIC

Content hashes

Canonical text07a57a1723322492c4a453ed8ef0f337b436cf9db819ee95eef9d2b2e5b28668
Markdown485fd690c5203ee233079d63b322667fd64c6d15063c5227d290ceb4ad6de7b7
PDF
Publication page8495677d58994ab07e3f9d23dffd1b01667f309692e2f434d4e31ba3439576d0
Manifestd0bad2d42f25b7444e51a542c7d8c81ddcd2e295cea0b5f5b09627e8288d6b0f

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
Signaturexj+2WPDVWm52z7TM0iApt/PeWGwb3sbdV50plzUOP/H7A/9BFmoMUkXQSNMxtph6iN+II8wQ7xKKgn872htdAg==
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

2026-09-17T11:32:54.834596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033212
observed 8495677d58994ab07e3f9d23dffd1b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.817076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033212/manifest.json
observed d0bad2d42f25b7444e51a542c7d8c81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.797950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033212/publication.md
observed 485fd690c5203ee233079d63b322667f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.779676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033212/publication.txt
observed 07a57a1723322492c4a453ed8ef0f337...
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.