OpenTechnical

OT-2026-000011563

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000011563) never changes.

Identity and time

Publication numberOT-2026-000011563 · never reused
Internal UUID01a0ae6c-8900-7083-89d8-d6acb3c41ef9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011563
StatusPUBLIC

Content hashes

Canonical textfc02567cda0048bc5aa4846741d08b7dd2aba8f23c33d2da425cd2081b0ac7e9
Markdowneaed7110c5b05268f0032fcc9af2d3d344d8636172c417f87a5d23353cbda5aa
PDF
Publication page77c5d207e110043e502b42849e552dbce1b07bc25c2a4a13133e299cac295578
Manifest5c71024f03cafd6cd6a13edd2c6f844f1c47d3dd32eab64616b1ab074a6cfcc0

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
Signaturengr19rJeF1XbGJVn5YdpJxj/vKtgFMk5zeEdO6gwxkap+zlnX4yyUQt5ALSJ1g0thkdn2hjN+BXVhmkFSvt+Aw==
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

2026-09-17T12:13:27.645863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011563
observed 77c5d207e110043e502b42849e552dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.626650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011563/manifest.json
observed 5c71024f03cafd6cd6a13edd2c6f844f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.606828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011563/publication.md
observed eaed7110c5b05268f0032fcc9af2d3d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.589269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011563/publication.txt
observed fc02567cda0048bc5aa4846741d08b7d...
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.