OpenTechnical

OT-2026-000059648

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000059648) never changes.

Identity and time

Publication numberOT-2026-000059648 · never reused
Internal UUID01a0ae89-ec24-7b95-8393-007e7cf7df1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059648
StatusPUBLIC

Content hashes

Canonical text7e1649e4eebe90808a0d024c4ccc52a48b2f938c1d9851233b81064a58c7f7df
Markdown3d36c686030563caa264b9aae1ea965ce42db49e8cb8162dfdb4762bf50e40e5
PDF
Publication page1e34a3fc5a21fb4444e783808965b346b7aa6604ed40a25ba21027c991b50a21
Manifestb85df74555dc4e426830111c620daabff43c872267cf124a4fb5ac5c5c4692d4

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
SignatureY7bhxob8dVpiQibFDeMxNDNfLzssyjF26E7CGu8NKf8kHBjGwWrfRyvDCP1kxJ6YRT7yQkDTVDjvAqjMNfthCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:20.606231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059648
observed 1e34a3fc5a21fb4444e783808965b346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.586936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059648/manifest.json
observed b85df74555dc4e426830111c620daabf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.567521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059648/publication.md
observed 3d36c686030563caa264b9aae1ea965c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.548326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059648/publication.txt
observed 7e1649e4eebe90808a0d024c4ccc52a4...
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.