OpenTechnical

OT-2026-000049749

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000049749) never changes.

Identity and time

Publication numberOT-2026-000049749 · never reused
Internal UUID01a0ae81-8fef-7862-b3e0-953b70a18fd7 · 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-2026-000049749
StatusPUBLIC

Content hashes

Canonical text78a3b89a2c2b4d98ad83f5fade277c8dd71f0ecdba6d8466b9bd370fbf7447f7
Markdown726a02f74bed6700fd5922e9e9cef5e517dc5083b7b713098f6cc87226f890e7
PDF
Publication page452ad1f015959f359fae338d73d0a21753efa3fe0612d4d06cad9ebb1324a4e0
Manifestb5151244b57bd7e55f43f4a96754f055ea897ee3e877e793949804de45b20cfe

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
SignaturedKSgPZ6k/2Fq52hjgXB2AExJo3IE0aeAZb3S1JVok7MfCfjqYxMRMHAmOKDArBfFNAiN7KxbIbJgAbyb5/NDBw==
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

2026-09-17T11:02:46.684951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049749
observed 452ad1f015959f359fae338d73d0a217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.667521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049749/manifest.json
observed b5151244b57bd7e55f43f4a96754f055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.649545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049749/publication.md
observed 726a02f74bed6700fd5922e9e9cef5e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.632808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049749/publication.txt
observed 78a3b89a2c2b4d98ad83f5fade277c8d...
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.