OpenTechnical

OT-2026-000078318

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three 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-2026-000078318) never changes.

Identity and time

Publication numberOT-2026-000078318 · never reused
Internal UUID01a0ae95-7c27-751b-96df-230d6e452d0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078318
StatusPUBLIC

Content hashes

Canonical textee09bd6e0e1647ee1f979bc95f96f8dd4b0cfa9be6c9d8e36a398611b8074225
Markdown5e32427ff055edfde81e1b1099cc782383029601f40cc86263e6830139e9eb74
PDF
Publication page6f9c1b259090478ea6d0d522245da607f634ee177baa5bfe7eb54a0a79d6688d
Manifest7128495acd8220291af6ff09fae67e571b53a574ecaee9888d9331fd3bd6a067

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
Signaturehbu+zbk9rGmfbHQ0TzV3A63HimN2FWLWEEeZ1YL3zxrPNcP7LO2OoZxHn1BDn85QUWvHjp1XOMYRBS3B0s22Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:06:01.824982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078318
observed 6f9c1b259090478ea6d0d522245da607...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.806538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078318/manifest.json
observed 7128495acd8220291af6ff09fae67e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.788187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078318/publication.md
observed 5e32427ff055edfde81e1b1099cc7823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.769712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078318/publication.txt
observed ee09bd6e0e1647ee1f979bc95f96f8dd...
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.