OpenTechnical

OT-2026-000068117

Publication integrity record

Foam pad 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-2026-000068117) never changes.

Identity and time

Publication numberOT-2026-000068117 · never reused
Internal UUID01a0ae8f-c4fe-7d9b-bc42-e24367063cc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068117
StatusPUBLIC

Content hashes

Canonical texta57983a9853f5c5001c52736dfbb29c2a5eb910edee79738fca9bd2f245d8f14
Markdown3abc493149703c2a6ed1e631e92f3001939bf05b36c48466066281e4ef3afd35
PDF
Publication page51c93dea7a2e59707b2df76e42bf2d9675e5fa763922d4e4f48fcc32431cf1a8
Manifestf6e7b1a7f52359bf7c7998b9564ba9c3cc19dc68c81036b41d8fd895453161ea

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
SignaturerNscspJhZqRk7/oif3Osl0UW2QlDHjGyyeh13gxCIeTwzGLcZpmfMaiby0pKYvybUOaYiI83o5X8x3iU+QX8DQ==
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

2026-09-17T10:30:45.228852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068117
observed 51c93dea7a2e59707b2df76e42bf2d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.209215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068117/manifest.json
observed f6e7b1a7f52359bf7c7998b9564ba9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.189854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068117/publication.md
observed 3abc493149703c2a6ed1e631e92f3001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:45.172010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068117/publication.txt
observed a57983a9853f5c5001c52736dfbb29c2...
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.