OpenTechnical

OT-2026-000049451

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049451) never changes.

Identity and time

Publication numberOT-2026-000049451 · never reused
Internal UUID01a0ae81-8f7c-7bbb-8057-532fceb53d37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049451
StatusPUBLIC

Content hashes

Canonical texta2391dfe792981055e730324db9e56ba2d5e7b48338ac9fbd54bc7bcb8608ab4
Markdown107bd94c69013e4369dd899c1350795647fb5adba0b8bb3af0e3b1762264d254
PDF
Publication page8b628837cd9284067586919c9aacb98e50eec112b574c16dd76d68d843c1b879
Manifest33e8462bd1832cbe1a4ce60781b650b202be0716c8bf8aac2c30d890a4657bac

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
SignatureA6gV7zQEImil33iXQ6TM6hlRY2wySJ+QUP3L4SHPuHORdWlnMmgNcYXhaXhYmGqBMNajQIvK1pPIkQNGecbCCA==
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

2026-09-17T11:02:17.288768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049451
observed 8b628837cd9284067586919c9aacb98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.268926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049451/manifest.json
observed 33e8462bd1832cbe1a4ce60781b650b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.247679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049451/publication.md
observed 107bd94c69013e4369dd899c13507956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.229513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049451/publication.txt
observed a2391dfe792981055e730324db9e56ba...
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.