OpenTechnical

OT-2026-000041979

Publication integrity record

Two bellows 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-2026-000041979) never changes.

Identity and time

Publication numberOT-2026-000041979 · never reused
Internal UUID01a0ae79-e8a7-76dc-9f80-b729155d0258 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041979
StatusPUBLIC

Content hashes

Canonical textcc8d8e1932b0ec4e3156016f06ebef4af9604c532275aad2452597c1862abf3f
Markdown03195fb3a0fe38c51611520c7629477c4ff66992cba6181de56828c87c3b1b70
PDF
Publication page7504cdc172706c302ad9acfa728e993f29d51a07c3c00d5ae94159486e6c5370
Manifest46e93ec272dd32bde58e4b5a2fb2afa99474936020f914377ea172a4a4830bb6

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
SignaturebzB4TpbdGKSVzZJr1UG9k9UHVBkCOVyd5CCgZhjPFvuIUZpeij+JzOJ6AM5LtXRBkdcLgrAVfQK4OV9CZ42WAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:16:52.415924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041979
observed 7504cdc172706c302ad9acfa728e993f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.400627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041979/manifest.json
observed 46e93ec272dd32bde58e4b5a2fb2afa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.385010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041979/publication.md
observed 03195fb3a0fe38c51611520c7629477c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:52.368793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041979/publication.txt
observed cc8d8e1932b0ec4e3156016f06ebef4a...
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.