OpenTechnical

OT-2026-000029765

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000029765) never changes.

Identity and time

Publication numberOT-2026-000029765 · never reused
Internal UUID01a0ae73-5e24-7547-9841-f57d31f18605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029765
StatusPUBLIC

Content hashes

Canonical texte5632ac23f6245b9081dd0b95bf724ee53130856a9536e62396dca20b0c5b7dd
Markdown548143a3af2857e4fc21e7d5b804474accfe421fdc8c832ecfe2a64550c7e4fa
PDF
Publication page1aaf2559a3b6e78585720fd89255606193cee4fd014d34ebdbc03379ad617a1b
Manifest846397c5cf62c4aeb4b0aa298309798f55b038c9ca34e6dcf56bb8a9a8073061

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
Signaturev1G6RqH/WymdhPYny1pqEBbD4lQzbN3adaV9a6LyXYU/CIKx8+RH9+dKuagYops21DrYoZuFsKV7Xnk/P/FDCQ==
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

2026-09-17T11:39:31.667266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029765
observed 1aaf2559a3b6e78585720fd892556061...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.649772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029765/manifest.json
observed 846397c5cf62c4aeb4b0aa298309798f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.629229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029765/publication.md
observed 548143a3af2857e4fc21e7d5b804474a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:31.610674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029765/publication.txt
observed e5632ac23f6245b9081dd0b95bf724ee...
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.