OpenTechnical

OT-2026-000005048

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000005048) never changes.

Identity and time

Publication numberOT-2026-000005048 · never reused
Internal UUID01a0a92c-316d-70dd-8226-954ba45ae4c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:44:00.880842Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005048
StatusPUBLIC

Content hashes

Canonical textb4beaeb901b260672785c156c5d96148286d5d9074a24f8e172f0ca909535e8f
Markdown58bfc401f2d6119c2d2d0074f71db4767a6a23850bd99095e5b8196b36b934d1
PDF
Publication page36e6442903233dc0c11693781393f53dc851278d09e544b93f73fbb1b6d56fc8
Manifest11928506e23ca42637171636d74ffadee6b5047d731218eef9aa3fb390bcfe0e

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
SignaturenWpL/dfkFI3a3ol9ntaCf9VmfCiZelNHVLmfxXTqG9AIgYzDrPe3yeasVkXifSjKYvDL6Pdy5nscAVieloWaBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:21.169773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005048
observed 36e6442903233dc0c11693781393f53d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.157307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005048/manifest.json
observed 11928506e23ca42637171636d74ffade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.144742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005048/publication.md
observed 58bfc401f2d6119c2d2d0074f71db476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:21.130451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005048/publication.txt
observed b4beaeb901b260672785c156c5d96148...
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.