OpenTechnical

OT-2026-000049566

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000049566) never changes.

Identity and time

Publication numberOT-2026-000049566 · never reused
Internal UUID01a0ae81-8f7d-743c-a6be-8da2e955b7d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049566
StatusPUBLIC

Content hashes

Canonical text29050b7cf0cb73849d19835b22b3c019c7fa3858d4bc293e81e853a0aa7c3155
Markdown3415fed6d616452ded60381a44783755a53d3179afe9c901f0f520d70bbb231c
PDF
Publication page4b6a32e5cee3d85737caf6edc2a516cc1b7657a6e6902572d57d7123aea39592
Manifesteed3d005d6741635cb653fca2475f8a5d59758d4db4da4d9e3d5cf143d498f48

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
SignatureHtQwjSjfXg4PnTGR2m3+MYbwn1bESPiYgsfdyzIdawJ5sKqOSwoVXhZPp8t1rnqYWfQSIUuYYaBR+GicEv13AQ==
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

2026-09-17T11:02:31.808098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049566
observed 4b6a32e5cee3d85737caf6edc2a516cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:31.785214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049566/manifest.json
observed eed3d005d6741635cb653fca2475f8a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.371017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049566/publication.md
observed 3415fed6d616452ded60381a44783755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:26.354515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049566/publication.txt
observed 29050b7cf0cb73849d19835b22b3c019...
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.