OpenTechnical

OT-2026-000073824

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented before 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-2026-000073824) never changes.

Identity and time

Publication numberOT-2026-000073824 · never reused
Internal UUID01a0ae93-2b8d-7333-b64f-c998c3b8ebba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073824
StatusPUBLIC

Content hashes

Canonical textb6ce0408261e69d2d08b568baba99838314c8cb59ebd15ecd9c694a5f5c9c241
Markdown38c93a5ed42673ffae874d0aa35976b7c56f817a57f22d8d3e5e661e510d482e
PDF
Publication page2d8869ca7ea07d74bca6a2d542f079f4679728d3b4d1ee51bad7f36b18512c26
Manifest176b0e874c419afbe36fd6608844607d31055b1c072184149deead5eccd3fbb9

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
Signature9v9a4Fw8tz0qM8vuWb4uSTdb9XkQA7xsEuVqYBFdaKxq1Sv37nVPyepNEaB1Zv8FwWoq1O36oNC8uv+1DqYUBA==
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

2026-09-17T10:19:57.066056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073824
observed 2d8869ca7ea07d74bca6a2d542f079f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.026465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073824/manifest.json
observed 176b0e874c419afbe36fd6608844607d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:57.007371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073824/publication.md
observed 38c93a5ed42673ffae874d0aa35976b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:56.964231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073824/publication.txt
observed b6ce0408261e69d2d08b568baba99838...
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.