OpenTechnical

OT-2026-000063373

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000063373) never changes.

Identity and time

Publication numberOT-2026-000063373 · never reused
Internal UUID01a0ae8c-f944-76fc-9e98-9b80768d3189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063373
StatusPUBLIC

Content hashes

Canonical textf0d5279f6b7b7f26617b319449820ee71622fd9d67e6d7625b890346f4625c6b
Markdown63b2368a89adfc2a786de275c9f849233507aa8b53b2149684679bec1bc0922f
PDF
Publication page14652b9ef9c33fb507a5e1c3f281a227c6eb47e3e3ae8e84a739ba92c301f8a2
Manifest334f956b90753c9859a42a986c755d360ab6757a0fb8daf766876476ecf4402f

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
SignatureUqIgM/rxzlIeeDuTBcmuTObmc0kDwozAdQDqzsFHY61FtlW7bVRVPM95NA7Rp7ah8G0P22jyFdpl8iMZafsXAg==
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

2026-09-17T10:37:16.872552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063373
observed 14652b9ef9c33fb507a5e1c3f281a227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:16.853975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063373/manifest.json
observed 334f956b90753c9859a42a986c755d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:16.835341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063373/publication.md
observed 63b2368a89adfc2a786de275c9f84923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:16.816541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063373/publication.txt
observed f0d5279f6b7b7f26617b319449820ee7...
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.