OpenTechnical

OT-2026-000057851

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, supply line 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-2026-000057851) never changes.

Identity and time

Publication numberOT-2026-000057851 · never reused
Internal UUID01a0ae88-6ed8-7e3c-885f-7eaee8450495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057851
StatusPUBLIC

Content hashes

Canonical textb0f1424a0d22aae93654ab6a4d5c89fd53ba208c80b6157d96414f878f50e713
Markdown7c37f53f6053a2c5bcb224713ecf02377fd6b088236a1609639951235e900d9e
PDF
Publication page68d65a270442975a9822fbde998b14aca5b1cd5a5cdd0171bd1f9096a3b6b328
Manifest3338e6af785fbbac6454abd617d9d57a92afa14f8e7a54497b9f599dd62907c3

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
SignaturepoGJdGoVJzCnBWagXCR9R97L49CaXIkmzfaSetG0aX0P55J6pYhqlsV+Lf6aM6gY3rcMMLEa/LmdWZpUlRryDw==
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...

Independent retrieval

2026-09-17T10:47:25.865820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057851
observed 68d65a270442975a9822fbde998b14ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.847357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057851/manifest.json
observed 3338e6af785fbbac6454abd617d9d57a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.827945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057851/publication.md
observed 7c37f53f6053a2c5bcb224713ecf0237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:25.809218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057851/publication.txt
observed b0f1424a0d22aae93654ab6a4d5c89fd...
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.