OpenTechnical

OT-2026-000011232

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000011232) never changes.

Identity and time

Publication numberOT-2026-000011232 · never reused
Internal UUID01a0ae6c-5410-784e-9b6b-19ee2256f184 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011232
StatusPUBLIC

Content hashes

Canonical text2401e030fcfdb9a2c20f943850aa8fa68df9e8823e0619d4ffb2a25c1c601204
Markdownc79400488275783fa9edc7e5560a813a8b265796703ff66937e4930e1d8d02b7
PDF
Publication page81c6d0cfa592e1af2077ba08353a866fc1f50c6cd75d0653885fdaf02f360ff4
Manifest7133cae818c89bed24e4e40cc7f588e8e930010b59dbae66231faadc02e29986

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
SignatureNr+rp4hPPdjdgzBgSfJYbqL05miP8BBAQ9MwRAg0j2nUeIevLX82oVe0mFEPH+l4cb4wwFIOOptWOHiB41pcDA==
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

2026-09-17T12:14:11.570023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011232
observed 81c6d0cfa592e1af2077ba08353a866f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.549018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011232/manifest.json
observed 7133cae818c89bed24e4e40cc7f588e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.529692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011232/publication.md
observed c79400488275783fa9edc7e5560a813a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.509409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011232/publication.txt
observed 2401e030fcfdb9a2c20f943850aa8fa6...
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.