OpenTechnical

OT-2026-000060815

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold 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-2026-000060815) never changes.

Identity and time

Publication numberOT-2026-000060815 · never reused
Internal UUID01a0ae8a-b7d1-7524-bee6-6680073ee8dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060815
StatusPUBLIC

Content hashes

Canonical textcde73cf2290d26c0d6460058e19b3c2e7433777b2e05efee64d8ac9dfbd8cceb
Markdown23dc3c4b3d390a27b9262aa3e6c22c7c155427dcfa7472a26f613f58d530962e
PDF
Publication pageb5327792742b206bfbb2670f0a42e024f12d5e8dd4b1d16b51b26cefe287bd89
Manifest5cda05e30ab22253a7b25fe67c24128b1f4640e126f2d73e720b88c0ff6703e8

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
SignaturedHWSbo0FzqQIwXBFMb0dnCsKJKoI34sGW/yiR95UqjMpyz1Low1OZcK93tWbeZjo6y9YOouIxsEYOYRSGdfTCw==
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

2026-09-17T10:43:33.946230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060815
observed b5327792742b206bfbb2670f0a42e024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.928499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060815/manifest.json
observed 5cda05e30ab22253a7b25fe67c24128b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.912684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060815/publication.md
observed 23dc3c4b3d390a27b9262aa3e6c22c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:33.896572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060815/publication.txt
observed cde73cf2290d26c0d6460058e19b3c2e...
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.