OpenTechnical

OT-2026-000048900

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000048900) never changes.

Identity and time

Publication numberOT-2026-000048900 · never reused
Internal UUID01a0ae81-134b-7b19-92e2-2777f11f0446 · 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-2026-000048900
StatusPUBLIC

Content hashes

Canonical text977d8613196aec11ecd81029d4c5c9f4e5d16009fd1d91c31d4daee96b6040bc
Markdown4968f197645fcb5a73f9d03fd21d5b680d562683a86c14fe2ce5d42f3f81df37
PDF
Publication page02838569d3770e085e50c12e24f65bcc3792953ef350c5a70d2ee4008d0c9124
Manifest14b4d5784cd136aabee19b45c3504358e44cb25abc55d06507bc049c182e765d

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
SignatureC3qX0G27dJ+blF6F3+9gc/TpttWX3N3F1QNyxykcqKcQAwSjoor17Nw/Kc8YrXa5BnkZ4vHj7kOS20I4T+l5Dg==
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

2026-09-17T11:03:04.094607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048900
observed 02838569d3770e085e50c12e24f65bcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.055768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048900/manifest.json
observed 14b4d5784cd136aabee19b45c3504358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:04.006410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048900/publication.md
observed 4968f197645fcb5a73f9d03fd21d5b68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.989917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048900/publication.txt
observed 977d8613196aec11ecd81029d4c5c9f4...
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.