OpenTechnical

OT-2026-000029540

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000029540) never changes.

Identity and time

Publication numberOT-2026-000029540 · never reused
Internal UUID01a0ae73-5e21-7e68-be91-c97137b9f947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029540
StatusPUBLIC

Content hashes

Canonical textd57e188701e9d5835e6144536302a3729bf4f54533a86aa74441237a1dcb5664
Markdown184a690f6eed79178563116a814c816f3f56a66755492cd0cab02fab4080e1ad
PDF
Publication pagea210189223e05815388fa1000bc30c752ad855a6fdb6b5fd0b537846aea522fc
Manifest1d4c329a69902004466053754a6672588bc321ab4e3339216f2ca30b34521271

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
SignatureFPV6qzxvyKe8mXcTJLmn4lQhQSLMXWPrqPMqudLuJvjS7T1Ac4pR/hmIgmJe5QDzPWoB4CYNw7yZgfHwY7JTBQ==
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

2026-09-17T11:39:11.597145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029540
observed a210189223e05815388fa1000bc30c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.579590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029540/manifest.json
observed 1d4c329a69902004466053754a667258...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.563928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029540/publication.md
observed 184a690f6eed79178563116a814c816f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.546611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029540/publication.txt
observed d57e188701e9d5835e6144536302a372...
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.