OpenTechnical

OT-2026-000019993

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000019993) never changes.

Identity and time

Publication numberOT-2026-000019993 · never reused
Internal UUID01a0ae6f-1fb7-7990-92c5-3805fa34a23b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019993
StatusPUBLIC

Content hashes

Canonical text62dd2c694677eac7278e821856f9febbc4c974ddb201a06f107a3ec32179e779
Markdowna7395c5ef76d4db06d8156282028fb3f53320e2416d7b64988c3ceccc70ad9e3
PDF
Publication page9a1b63218fb6b3d38e6e32c7ebb6473bc2de8cdd3128165a0565eaa395058f66
Manifest3d1bfcb9bb11ab71e362c0f29026e0f67e8320d6d51950030e888d75c204f83f

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
SignatureqaA6Q+YfItQNaHQOEerPJuvWRAsQp/E/tbFmH5Ti+ygncGdiVCC/q6g6oUSykPC6U6vMDpP5qjQhA9/4UckADQ==
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

2026-09-17T11:58:14.201634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019993
observed 9a1b63218fb6b3d38e6e32c7ebb6473b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.183688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019993/manifest.json
observed 3d1bfcb9bb11ab71e362c0f29026e0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.165624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019993/publication.md
observed a7395c5ef76d4db06d8156282028fb3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.147356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019993/publication.txt
observed 62dd2c694677eac7278e821856f9febb...
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.