OpenTechnical

OT-2026-000078260

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000078260) never changes.

Identity and time

Publication numberOT-2026-000078260 · never reused
Internal UUID01a0ae95-7c27-729c-b508-9a9c0344fbf3 · 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-2026-000078260
StatusPUBLIC

Content hashes

Canonical texted1b7b72745b2e33731c20da61abbf835b9b61e41846f6bd4038e47ca8d3ed2f
Markdown1787d95a17f81aed1bbf0ac6b6d2baaaf0ae3f6767b1a3979e055ee01c4612c2
PDF
Publication page6d52731cebe89fa9e65ac8ba7c97d9b4a94b9da24c318fb1f35a0f1baf8acd80
Manifest72d9a72096c45c855ddb09b92f822b3cc3b38a645e4555d9f871fad5a0f7f75b

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
SignatureDJFVTCP9nLAt+ESxb1Gc1F3pAmBzhWmYZEJo0AAS6p6vAqOjdwULlpMQG46b85bZ1P4ksLBl21yfRzxUm6RqBg==
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

2026-09-17T10:06:13.207621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078260
observed 6d52731cebe89fa9e65ac8ba7c97d9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.188940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078260/manifest.json
observed 72d9a72096c45c855ddb09b92f822b3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.171070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078260/publication.md
observed 1787d95a17f81aed1bbf0ac6b6d2baaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.150668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078260/publication.txt
observed ed1b7b72745b2e33731c20da61abbf83...
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.