OpenTechnical

OT-2026-000044550

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three 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-2026-000044550) never changes.

Identity and time

Publication numberOT-2026-000044550 · never reused
Internal UUID01a0ae7c-39d9-7f64-9440-95587bdc5e65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044550
StatusPUBLIC

Content hashes

Canonical text2adf61b4ed8901075926a4cb4d4d161103da819a2973ab4c9d25f1bb87e8e993
Markdown50a1101db04e1d99ce2c49d6647cf064cc604ee5efb8fd43c905d8499fdf4c7c
PDF
Publication pagecfea6fb5db9145caf4342a2538e72e33b0cb00613eb205e9fd2c8f5c0bbf5cda
Manifestc41daca63792aeda676fb756b42516ef93f5d4a6813ecf6712c23b57aebd0cb2

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
SignatureOYSNlIIjV5uGq2NTPsCCFwC9l6jk7ppEFIOfwB8XG6qfN18+KiEZkHgMNK+PlScl/gS+YNRBwsPke6QJn94gDg==
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

2026-09-17T11:11:44.323910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044550
observed cfea6fb5db9145caf4342a2538e72e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.305748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044550/manifest.json
observed c41daca63792aeda676fb756b42516ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.287845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044550/publication.md
observed 50a1101db04e1d99ce2c49d6647cf064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.269641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044550/publication.txt
observed 2adf61b4ed8901075926a4cb4d4d1611...
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.