OpenTechnical

OT-2026-000049782

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000049782) never changes.

Identity and time

Publication numberOT-2026-000049782 · never reused
Internal UUID01a0ae81-8fef-7a0b-a776-3395b86a6900 · 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-2026-000049782
StatusPUBLIC

Content hashes

Canonical text1b6deee61eac55411bf403af1a079302b7576ad1c00ec6f5b6e9ab7d609dbbbb
Markdowna33722b0365b2843601e4dc059dba0d0251535c1803b03cc7f17aca5b9c8cd4b
PDF
Publication page2d6500548495f1970b328ce6b14c0ffe8be6c4f45eac33fe7c35384736dab245
Manifest27caab974e5ca83ba03228d1479691c846cbc461b1c7ab19426073af01111255

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
SignatureE1eV5vJnp/WGPKgeRipypSD6vRu3YFCrTcArtAW5aZWN8rIQaPS8rlDQrsyWh1MglhhBOUdmY2CFKEw0VrvvBg==
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

2026-09-17T11:02:53.959195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049782
observed 2d6500548495f1970b328ce6b14c0ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.938745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049782/manifest.json
observed 27caab974e5ca83ba03228d1479691c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.920136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049782/publication.md
observed a33722b0365b2843601e4dc059dba0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:53.899307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049782/publication.txt
observed 1b6deee61eac55411bf403af1a079302...
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.