OpenTechnical

OT-2026-000074549

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000074549) never changes.

Identity and time

Publication numberOT-2026-000074549 · never reused
Internal UUID01a0ae93-717b-7de4-a1c1-46ce0a92968c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074549
StatusPUBLIC

Content hashes

Canonical text80298699442a268c6951bd9b083474be375697e8f636d95bb2694aef3f9fd3c2
Markdown3bffe0535c08c509b7b4b61eb74315c34ce63f4b175b7db881120ee8debf845b
PDF
Publication page51e57f5f1549ca90d252c4ca7093d34ae0aaa5eb6961ac1832b2bf5751baa4b0
Manifestad546b5a112052db1413f9690195ca5975a7528789847688799eeb0ccd4732b7

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
SignaturekcewfI/YrPVKpNIBN6TNLDSWQtQjee2E68mf5C+Ig9SzA25Ru1moD7QrRQ5YtVbwg8uAf9O73uG9GC9S73jnCQ==
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

2026-09-17T10:19:33.481808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074549
observed 51e57f5f1549ca90d252c4ca7093d34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.454070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074549/manifest.json
observed ad546b5a112052db1413f9690195ca59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:33.433453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074549/publication.md
observed 3bffe0535c08c509b7b4b61eb74315c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:31.993026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074549/publication.txt
observed 80298699442a268c6951bd9b083474be...
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.