OpenTechnical

OT-2026-000049758

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049758) never changes.

Identity and time

Publication numberOT-2026-000049758 · never reused
Internal UUID01a0ae81-8fef-7587-810d-730276fdac1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049758
StatusPUBLIC

Content hashes

Canonical textf52aaf228cbdf31cd8266f62b00d1a6d7f49dcbe32e464d7fd3c5155fc115967
Markdown2e5bc73a59e32bf5eb88e7919dae164d6da03ef81c4b057fb5d59613dd0a78c0
PDF
Publication pagecb439fb918ff7a0c2ce2c9a1f7828a523d6535abae2a848f2d0043bacda8ffb2
Manifestb3a446a0ed0a008bb94439b6a5ef95b6075f20bed087e98e4296b5288e9d6b67

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
SignatureFOwzafvxPyNcRoM3OzRM9TJjk/8HctQ3fz3x8M0avzl1/DWxmIjH5Fpl7pHdWE12fkgJfx6BNdp6NQoi9SR3Dg==
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

2026-09-17T11:02:47.378108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049758
observed cb439fb918ff7a0c2ce2c9a1f7828a52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.360174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049758/manifest.json
observed b3a446a0ed0a008bb94439b6a5ef95b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.343429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049758/publication.md
observed 2e5bc73a59e32bf5eb88e7919dae164d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:47.324565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049758/publication.txt
observed f52aaf228cbdf31cd8266f62b00d1a6d...
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.