OpenTechnical

OT-2026-000049520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049520) never changes.

Identity and time

Publication numberOT-2026-000049520 · never reused
Internal UUID01a0ae81-8f7c-7419-87b5-45d0c1f9e6d3 · 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-2026-000049520
StatusPUBLIC

Content hashes

Canonical texteab015faed1357c36e52a9058528cf4b67bbf825db782fda1e6021f8908105ca
Markdown210f5150e77da2722a92eb63e1823d6534f2ed5264f5df0dbad0416dc355a0ba
PDF
Publication pagedbefa0ff9832a72011f09daebf7fbe7a6ca732a6e1f6199c2e4003ca4979d5f8
Manifestc8f3ab02fda6f57c813e572ea249126b44a176ed4421ae756acb946dc1266e7b

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
SignaturefnsiVwFWXpYkZypj3z94vwB7ek9793Z9nIRekXNwquoWeZHvBrIyoaBk89Z0Q2viYNT9K9qcVctdF6CS2hOVAg==
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

2026-09-17T11:02:22.788472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049520
observed dbefa0ff9832a72011f09daebf7fbe7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.769076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049520/manifest.json
observed c8f3ab02fda6f57c813e572ea249126b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.751656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049520/publication.md
observed 210f5150e77da2722a92eb63e1823d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:22.735198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049520/publication.txt
observed eab015faed1357c36e52a9058528cf4b...
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.