OpenTechnical

OT-2026-000012960

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, pulsed blow-off 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-2026-000012960) never changes.

Identity and time

Publication numberOT-2026-000012960 · never reused
Internal UUID01a0ae6d-5564-7b2f-b795-2dd38577f301 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012960
StatusPUBLIC

Content hashes

Canonical text75531b7022ffdcd8ef8ce95de16d5621522822a7954b0f36e6e40a51e8333a3d
Markdown7bee9cf21b9b2678f16ffbae249e51b8cc69cb8a5a6dd773b0ccff9e861be8cf
PDF
Publication pageb4bd17a56e5e4f80a171ac2597219c9314cab4fa9927601edad965d41d7c588d
Manifestb5f406c8a33814c04489494c456f4556a0066cc3fdc18958cef1fceca223c392

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
Signaturedp0ddfLh4ERbD73ur6R2JjWAMB+jVbwnWJNnAyFPTS4hRrFyceaD1tU5gLo5zwP6JxBAaC5dIeoL1bUppXusCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:10:46.140516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012960
observed b4bd17a56e5e4f80a171ac2597219c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.120276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012960/manifest.json
observed b5f406c8a33814c04489494c456f4556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.096776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012960/publication.md
observed 7bee9cf21b9b2678f16ffbae249e51b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.074324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012960/publication.txt
observed 75531b7022ffdcd8ef8ce95de16d5621...
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.