OpenTechnical

OT-2026-000016405

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000016405) never changes.

Identity and time

Publication numberOT-2026-000016405 · never reused
Internal UUID01a0ae6e-2d12-7c97-85aa-b77025fbd726 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016405
StatusPUBLIC

Content hashes

Canonical text9f840afcfc487714a14a1cfa0ad5abd27abc66e94faed4128b8b736e7c9690d8
Markdown3b693d99113b1b264fa864317fbe01c372daded880be0e5dc0f7cad86bf858ad
PDF
Publication page1debce4be0fdd3b83d83bdeeea9a684c15fdb987d57e1c252dd9cc5da73ff450
Manifestd02ebfdc559f4cdb1eb6190aaa2fe8b6716ad8f8415b699ed18fa13725ad4cad

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
Signature8drX2qW8EbQZkJFrHVklTmBazXaFsfq0gjnuM0DRBU+XNpoXMvgvZidHTqlzn1kxrPzyCp5iJ+Xg1i4JxY0MCQ==
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

2026-09-17T12:04:29.438369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016405
observed 1debce4be0fdd3b83d83bdeeea9a684c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.419917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016405/manifest.json
observed d02ebfdc559f4cdb1eb6190aaa2fe8b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.402539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016405/publication.md
observed 3b693d99113b1b264fa864317fbe01c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:29.384151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016405/publication.txt
observed 9f840afcfc487714a14a1cfa0ad5abd2...
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.