OpenTechnical

OT-2026-000046025

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046025) never changes.

Identity and time

Publication numberOT-2026-000046025 · never reused
Internal UUID01a0ae7e-0329-73d2-a7f4-5cf7ec85375c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046025
StatusPUBLIC

Content hashes

Canonical text0dcafd5f599786f7bc5753513b3ddef7d8070f31218080f6506b743ee0163567
Markdowndef4523f7eea9278dd75debfc510977caa6b82a140756d5eba973873ac8e379e
PDF
Publication page953dfd242b018fbc48d5e1f32a2d45c8538bb03780cf2b06b1264ead1a3746c5
Manifest79d663ecbd89684cc9589a9a2b3ec6491b4a63a11da94cc1dd10453235235e6a

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
SignatureC6izrXjwSVc+D7q1W9Yqr/nZIGOfzicMJl2W5WNVpg7U+6Tnh1MUGjRDIeUWywOM8UW1dLc8lFN40v5Nke+eBA==
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

2026-09-17T11:08:58.388276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046025
observed 953dfd242b018fbc48d5e1f32a2d45c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.368707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046025/manifest.json
observed 79d663ecbd89684cc9589a9a2b3ec649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.349572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046025/publication.md
observed def4523f7eea9278dd75debfc510977c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.333691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046025/publication.txt
observed 0dcafd5f599786f7bc5753513b3ddef7...
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.