OpenTechnical

OT-2026-000056415

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, supply line 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-2026-000056415) never changes.

Identity and time

Publication numberOT-2026-000056415 · never reused
Internal UUID01a0ae87-4bd2-7d66-8b38-7ecd0c710a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056415
StatusPUBLIC

Content hashes

Canonical text7097930305762776affa28c968e74879e737e5f2028d465c8957384ae686aebb
Markdownfa62c3f5f22bea1319145197814517ffeb97563cb72f647f9bb47fe3569cb157
PDF
Publication pageb2b6ef828a9d7ee8df8bd8d641a9cff7e535b535fe8d6c0ccd572b97e389768e
Manifest54b65193f3ae3085e5597cc77388310d5d9cef16efb51235e3e9ef6b08da9300

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
Signature6uml4m4VsSd2E/NRL1zdKr7093G098t8VOcTFKIa8KIIBGLT0kXfyEMIP0G5rPZVAgOB8NZauIwGX1bocJ20CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:56.742573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056415
observed b2b6ef828a9d7ee8df8bd8d641a9cff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.725147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056415/manifest.json
observed 54b65193f3ae3085e5597cc77388310d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.706434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056415/publication.md
observed fa62c3f5f22bea1319145197814517ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:56.691070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056415/publication.txt
observed 7097930305762776affa28c968e74879...
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.