OpenTechnical

OT-2026-000049090

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000049090) never changes.

Identity and time

Publication numberOT-2026-000049090 · never reused
Internal UUID01a0ae81-134d-7bb2-9fbd-9215c68a59bd · 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-2026-000049090
StatusPUBLIC

Content hashes

Canonical text346fa8692c6ba6b93bc58d3c7cf9a3197ab3a9727656f6584f2ff03166f72ad6
Markdown1f697ba4282e04bb8b4921736f76abb44ca4e75d7bfc45140b25ee98fd3cc649
PDF
Publication page7dd4480b65e56919c380a5c2f23f30e3aaae6ba872c355ccae97ca6cc7b2761c
Manifest04dc355b926888353484d2803d4d3624fb4eff31f65e6e194a0f7335836022a1

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
Signaturev93u745z0TGpUqlIGrtglVaMpIE9oFSbVlFukjZEOuNjGiA+WH1x/KXq+qWS8rIfu8Elo3B7WWNUGPvGNLtPBA==
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

2026-09-17T11:03:20.211587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049090
observed 7dd4480b65e56919c380a5c2f23f30e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.190071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049090/manifest.json
observed 04dc355b926888353484d2803d4d3624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.169355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049090/publication.md
observed 1f697ba4282e04bb8b4921736f76abb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:20.150433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049090/publication.txt
observed 346fa8692c6ba6b93bc58d3c7cf9a319...
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.