OpenTechnical

OT-2026-000049040

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000049040) never changes.

Identity and time

Publication numberOT-2026-000049040 · never reused
Internal UUID01a0ae81-134d-7447-adda-1e322c059e52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049040
StatusPUBLIC

Content hashes

Canonical textb1e436295fb033ec00f307575db3591afeb7adb0661a55833862c8982253dc77
Markdown5146b7ef001f835dca2ec65fe83180306e222bc03f2874fe1028ed13fb337643
PDF
Publication page2ce14a1eec18fc1fb6f5c64874b6b20235e9f355717712086c670d2fa1fab64c
Manifest63457a29f35723ac42ed601039ab7f17af0e76f1f9b3946a9ea572d77e65ced8

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
Signature0VzDpVSNbq4efTmQPPJuuqOfc2Mmn/T5QX6B+CaSmxIfVUmwpSgikeFL3CCAqJ2yQ2V/TxaiSk8JSuXsHbeWAQ==
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

2026-09-17T11:03:15.814968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049040
observed 2ce14a1eec18fc1fb6f5c64874b6b202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.797875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049040/manifest.json
observed 63457a29f35723ac42ed601039ab7f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.779141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049040/publication.md
observed 5146b7ef001f835dca2ec65fe8318030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:15.760961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049040/publication.txt
observed b1e436295fb033ec00f307575db3591a...
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.