OpenTechnical

OT-2026-000048335

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048335) never changes.

Identity and time

Publication numberOT-2026-000048335 · never reused
Internal UUID01a0ae80-4de4-7801-a895-e2a67f222fea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048335
StatusPUBLIC

Content hashes

Canonical text791fcd9f5f0e2bdf1cdc7ad8a07b3bf43a59bedcb9949dbbea617be938b3b84c
Markdown1a7dd8b3a9c606908be51d088b91a4a09a0c2163c28e9d96d1d9cf1da77b9521
PDF
Publication page36e57dfc46fa1b5a765e25a86a288a646f1332e297bff7ed321814af2ea546f2
Manifest3fdbc78060ed25e60bf8d841b45d8add3081932dd4199534589750f52556d654

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
SignatureLZESmqI59stmj3Cstwszvymy3n4FRXLt+0x/A6Xh65CDCY/K7z5VU7t9gFxhm0dNFgHyMIVB+bivAVHL9RWFDg==
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

2026-09-17T11:04:56.555545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048335
observed 36e57dfc46fa1b5a765e25a86a288a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.536637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048335/manifest.json
observed 3fdbc78060ed25e60bf8d841b45d8add...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.518458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048335/publication.md
observed 1a7dd8b3a9c606908be51d088b91a4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.498982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048335/publication.txt
observed 791fcd9f5f0e2bdf1cdc7ad8a07b3bf4...
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.