OpenTechnical

OT-2026-000027940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000027940) never changes.

Identity and time

Publication numberOT-2026-000027940 · never reused
Internal UUID01a0ae72-a4a6-7a4a-8183-ff4560440ffd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027940
StatusPUBLIC

Content hashes

Canonical text33b382a1bfa0a1af6e12c438a28cb50dafb6b1ce81337de5d4a00a2080d85316
Markdowna02cdd0002981fa1840303103eee35edcdb4fd101b0d91099dca6aa916e88e68
PDF
Publication page62baabad7db2d502213835ace49a8420db3e27609d6c7409f34a982e4376b291
Manifest0cb3aaebcf9522ad597143b4ffe5d20e8de282185692b02b3f4703c96073b92e

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
Signaturex6uAY6iSAMhND3XUhdtkr3J0Pl7n/+JxtW7lAEfm4e7IzARO6U7FvzE1BtJQGEZztZRoOquiAu1XrLfjOgA/CA==
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

2026-09-17T11:42:07.368595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027940
observed 62baabad7db2d502213835ace49a8420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.351316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027940/manifest.json
observed 0cb3aaebcf9522ad597143b4ffe5d20e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.332828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027940/publication.md
observed a02cdd0002981fa1840303103eee35ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:07.312481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027940/publication.txt
observed 33b382a1bfa0a1af6e12c438a28cb50d...
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.