OpenTechnical

OT-2026-000049153

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000049153) never changes.

Identity and time

Publication numberOT-2026-000049153 · never reused
Internal UUID01a0ae81-134e-7374-b867-565ef34b0e98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049153
StatusPUBLIC

Content hashes

Canonical text3638000d1708aea02690e45f8dd249968b6cdffe042fe516ce3e47e1d99b8408
Markdownb9dd84147e3d946db6938ffa10b5fef1adfc04524de7d95f6a67a59c72149dee
PDF
Publication page2a92883156e8fbc27875d1c31382f6323964dba47a7be0447bd06a712777e3d2
Manifestd4d36c783b5fede46ea062489e6404eebe423ab272962d3ef45e0a216d2bf450

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
SignatureCe5/nPKJBcGwvPfr6uFEUdsdyxGVNzoKNTxlAkmURW0i/GU3oDhrXVsmtZNi3ECZuUYdhBEdRPXZ8sk8LRbyCA==
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

2026-09-17T11:03:56.767498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049153
observed 2a92883156e8fbc27875d1c31382f632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.750486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049153/manifest.json
observed d4d36c783b5fede46ea062489e6404ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.732315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049153/publication.md
observed b9dd84147e3d946db6938ffa10b5fef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:56.714250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049153/publication.txt
observed 3638000d1708aea02690e45f8dd24996...
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.