OpenTechnical

OT-2026-000060346

Publication integrity record

Foam pad vacuum gripper, 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-2026-000060346) never changes.

Identity and time

Publication numberOT-2026-000060346 · never reused
Internal UUID01a0ae8a-5a75-706f-8f73-9c9ed6da1e05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060346
StatusPUBLIC

Content hashes

Canonical texte6ad13e2c42635d638c78697e0d9c2796471f3721f530fce693f1460b850e756
Markdown006f3afa4fa840859b2f4ee64336fdf0b8169a3dbabb7fe7f131f13c094ae090
PDF
Publication page50dcee46efdcd0229fd4870ad2e34b467ad9e8b716ae45d1e2192b74f2b2012f
Manifest3960eae599bc06745897cefd37e13e0a51fdfa0840846bbff621c28553454b6e

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
SignatureSfpAKQ2r/0F2VCbX2uA8sOenXZfvpRcikV0We9OCkJeHUA++udJLzO3mrG9vBzTprpoFx97vYmHiLzC8eJwCDg==
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

2026-09-17T10:44:05.025255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060346
observed 50dcee46efdcd0229fd4870ad2e34b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:05.002752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060346/manifest.json
observed 3960eae599bc06745897cefd37e13e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.973917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060346/publication.md
observed 006f3afa4fa840859b2f4ee64336fdf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:04.946133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060346/publication.txt
observed e6ad13e2c42635d638c78697e0d9c279...
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.