OpenTechnical

OT-2026-000029817

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000029817) never changes.

Identity and time

Publication numberOT-2026-000029817 · never reused
Internal UUID01a0ae73-5e25-7a70-991c-bb66bac202f4 · 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-2026-000029817
StatusPUBLIC

Content hashes

Canonical text89ea3997c72a03a16774d4dd18abbeaacafd9f6f47e6b8c84a836bd566e5c9fb
Markdowna3be232166be323d823299a9bf4040e15ab8fe733e81b894df0d2a2f1e2d84a7
PDF
Publication page6bc34232c0c363a7be5089f4f318ea6d53b98df30f318f7557322e493eaa74d9
Manifest7415c18e3a79f5898d8b426c27d36519a920c83e98823cf28aaf12c561eeca98

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
Signatureri8d/8R8LpQVjepeDePenDEPPzwovFY6JAbf8Cy/C3IH+MT2Sn2+vl8KIBmow5lxbZJAy/VRjW2vfCPHJQ3eBw==
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

2026-09-17T11:39:35.374412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029817
observed 6bc34232c0c363a7be5089f4f318ea6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.356243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029817/manifest.json
observed 7415c18e3a79f5898d8b426c27d36519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.338453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029817/publication.md
observed a3be232166be323d823299a9bf4040e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:35.322472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029817/publication.txt
observed 89ea3997c72a03a16774d4dd18abbeaa...
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.