OpenTechnical

OT-2026-000049916

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000049916) never changes.

Identity and time

Publication numberOT-2026-000049916 · never reused
Internal UUID01a0ae81-fd76-7dbf-aa04-ed2985a83a25 · 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-2026-000049916
StatusPUBLIC

Content hashes

Canonical textf617759f9f7f77608de4a65ff96765c5284fc641416f6134d2b8a7333bea434c
Markdownbc29e876de4b3086150610da030946c4ceacf1694cd513bd3a52cb0994eed752
PDF
Publication page8d0b5250bafb44e156c3b498ac40f49f61b0b9bd594aa99e9fa78ad31fc91394
Manifest2cf841c5337160dc2320df005c966e70d609deb0b7dea09ed47fe32f043709d0

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
SignatureRx3PUJQrXkSKhm9Uhud3yBR6Q5VmodbZUmC5H1WjK2qRAMXG4vv7qjAgZVfgSh89/l3FZyEVcBxsljmMtP//Cw==
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

2026-09-17T11:01:50.506156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049916
observed 8d0b5250bafb44e156c3b498ac40f49f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.486963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049916/manifest.json
observed 2cf841c5337160dc2320df005c966e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.468763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049916/publication.md
observed bc29e876de4b3086150610da030946c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:50.450477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049916/publication.txt
observed f617759f9f7f77608de4a65ff96765c5...
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.