OpenTechnical

OT-2026-000049964

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, supply line 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-2026-000049964) never changes.

Identity and time

Publication numberOT-2026-000049964 · never reused
Internal UUID01a0ae81-fd77-72e1-8afd-792d708fdf7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049964
StatusPUBLIC

Content hashes

Canonical textd9aada35a7c8e642154a061c04e98c4d2bc515bf3902c2b91c34ef113c8c8786
Markdown464ba25e63bac8f53c63e0a9e4e06e96e818397ae351529e28b4dc1f55d58751
PDF
Publication pagec15b392097af13e12e361c98f5ef317b09ea5f8a0a9e17553fffa9959375c77c
Manifest2b9563c3a512d782ae2473f0258014e31a3953bfcbd9be15569c1675c5a8956b

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
Signaturepn5HzCIIhRw8LRPUuDw8s5IMiRfCWvI7sCsSk2K9XqaXwpsJbTBUDwGEjTVXTtd+86YOikmJ80TlcdIJNCRICA==
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

2026-09-17T11:01:54.614748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049964
observed c15b392097af13e12e361c98f5ef317b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.594944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049964/manifest.json
observed 2b9563c3a512d782ae2473f0258014e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.575496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049964/publication.md
observed 464ba25e63bac8f53c63e0a9e4e06e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.556218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049964/publication.txt
observed d9aada35a7c8e642154a061c04e98c4d...
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.