OpenTechnical

OT-2026-000029158

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000029158) never changes.

Identity and time

Publication numberOT-2026-000029158 · never reused
Internal UUID01a0ae73-2aa0-7c11-af61-bbcb9fae64c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029158
StatusPUBLIC

Content hashes

Canonical text05bcb42fcc2bf48aa83c57eacf15357afab71f2f605d043dfc9b8a418d299d08
Markdown91985e9bdbb4a0a5049896be771a3a19f5b757d5f2f14ececb3629c150d5ec35
PDF
Publication page203b964d89b1ecde1c9c0729cf0391bb5099558da08933960cf9a9f5ee089746
Manifest0c743f3a5afb5ce70ee9e9e2e1df33bcc684a6da78a2113ce555fb5cc972f4b2

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
SignaturemdMx1OHC5G13OTpgPxnHjAOYuemhMxdI08emxlBdaoz2iBl4hngpXp9nRrccs45CGF9N2M1chdVodpD/S/J3CA==
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

2026-09-17T11:39:39.061486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029158
observed 203b964d89b1ecde1c9c0729cf0391bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.043707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029158/manifest.json
observed 0c743f3a5afb5ce70ee9e9e2e1df33bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.026604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029158/publication.md
observed 91985e9bdbb4a0a5049896be771a3a19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.008598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029158/publication.txt
observed 05bcb42fcc2bf48aa83c57eacf15357a...
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.