OpenTechnical

OT-2026-000019718

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before 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-2026-000019718) never changes.

Identity and time

Publication numberOT-2026-000019718 · never reused
Internal UUID01a0ae6f-1fb4-7cc6-ad3d-4dae35f4c8c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019718
StatusPUBLIC

Content hashes

Canonical text0b64f45b6b2c27fbbb1ad06b68bc1ede3d00181100896d3198fa994dfa0ae239
Markdownff4b70ada45f1fdc9f7affc016971bed332291b5b0bc2e04b5a17b0f6cf9576c
PDF
Publication pagee525fedc0a108aa48836a2704deb6f07037f02d845aae6b9d853320f16c9eee7
Manifest7f213577e5ade18ec7aa28d83e1e5e1019b9b70fa0b0ed7433170677aa20f3d4

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
SignatureJzgfWZL0zThTbQ7CfW5bdyogVbhZ0Hn8UpTAdpJ0ov9G0Ki43toQzvBPNMDS8MuNm5+PFJeSc1jp4tp5V1CkBA==
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

2026-09-17T11:57:48.360512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019718
observed e525fedc0a108aa48836a2704deb6f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.342770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019718/manifest.json
observed 7f213577e5ade18ec7aa28d83e1e5e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.322511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019718/publication.md
observed ff4b70ada45f1fdc9f7affc016971bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:48.301434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019718/publication.txt
observed 0b64f45b6b2c27fbbb1ad06b68bc1ede...
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.