OpenTechnical

OT-2026-000073483

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000073483) never changes.

Identity and time

Publication numberOT-2026-000073483 · never reused
Internal UUID01a0ae92-efb9-7cf4-bc5a-51d6e323bd19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073483
StatusPUBLIC

Content hashes

Canonical text541941072e54fafef919e033aeeaca1a9930d3c199d9b9b17f020371f8afce8b
Markdown243bb5dc1baaf7cfff0e8c7d97caf8be24dc8d4a35b11a710e04def25a6def96
PDF
Publication pagec36f68d82f9a17ac9f94cb7611bd00b376e7d8e00741f258d9e08ab4c0a489db
Manifest583c810b155de9fd5dda280f1661a0ed327ae3f5ec2e5b9e36d3a6cf7dfb6a32

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
SignatureplwMqgBKT7KSUoN+0D4GiIcfwL49Rt0OM8Sb11T6PtLl3R37vUIvpoZ5r+CWjAn2wGA8MNzekHjgLUMn3wIBDg==
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

2026-09-17T10:21:39.042384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073483
observed c36f68d82f9a17ac9f94cb7611bd00b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.024309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073483/manifest.json
observed 583c810b155de9fd5dda280f1661a0ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:39.006937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073483/publication.md
observed 243bb5dc1baaf7cfff0e8c7d97caf8be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:38.988714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073483/publication.txt
observed 541941072e54fafef919e033aeeaca1a...
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.