OpenTechnical

OT-2026-000044731

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000044731) never changes.

Identity and time

Publication numberOT-2026-000044731 · never reused
Internal UUID01a0ae7c-39db-729c-9d5e-4979a1e31d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044731
StatusPUBLIC

Content hashes

Canonical texta7f90106eb2ad0e2d7e628c306c97b1287af472bad66b6954d38f5ff36651bde
Markdown0c21592a7cbe8523779c6683590ceac4bab2702d895f7efba2bd1febd3c8de71
PDF
Publication pagec5247ed8187a99ab488c4fa3ffbf3764c950f1d7486d2e02b6dd6879bd490c74
Manifest15746229a7b21dcceb94586f619d1d530e7c24b596342b24c344e9ef8fc7d98b

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
SignatureNoO1SZKW/DlRQGnI/7RXTaIEEN0M8qln57fNYUxoOkZxOsRNvyMm/L+NhMfOeha/ZBPHqn91UqgBohEeNF7PBA==
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

2026-09-17T11:12:00.072965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044731
observed c5247ed8187a99ab488c4fa3ffbf3764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.055340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044731/manifest.json
observed 15746229a7b21dcceb94586f619d1d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.036945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044731/publication.md
observed 0c21592a7cbe8523779c6683590ceac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:00.015440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044731/publication.txt
observed a7f90106eb2ad0e2d7e628c306c97b12...
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.