OpenTechnical

OT-2026-000074359

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000074359) never changes.

Identity and time

Publication numberOT-2026-000074359 · never reused
Internal UUID01a0ae93-7179-7886-a3eb-99139dc6cd9b · 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-2026-000074359
StatusPUBLIC

Content hashes

Canonical text288bba9724bd7553391ad1f21bd4406404ae948e6e5c4d54299582116e63d8e6
Markdowncc5df0f935a3453edeaf787ee311ee07f09944fa226b1aa695a2e7b4e5079858
PDF
Publication paged2ac998ed49901c1dd263acfc565fb8a62ec8590965d2d95b45cdd32f796dbe4
Manifest25f936e0f614f5bc069f535630db8ac7482f4102e6f9f63d67629054925f38e3

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
SignaturejUUskBbdj1YIy29rwGEiO0v/sqha64ddkdgnEYL4KQ+BZgg4SH/XrgIDb6MiTJJtL87suN7xUiqkm2gY0zIFCQ==
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

2026-09-17T10:19:17.092288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074359
observed d2ac998ed49901c1dd263acfc565fb8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.074157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074359/manifest.json
observed 25f936e0f614f5bc069f535630db8ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.057178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074359/publication.md
observed cc5df0f935a3453edeaf787ee311ee07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:17.036893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074359/publication.txt
observed 288bba9724bd7553391ad1f21bd44064...
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.