OpenTechnical

OT-2026-000054047

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054047) never changes.

Identity and time

Publication numberOT-2026-000054047 · never reused
Internal UUID01a0ae85-b3a7-75d9-b435-837fa5f3e2f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054047
StatusPUBLIC

Content hashes

Canonical text562632e4f256de2c23d306ed8c4f9d7398aeddf4a0958d31710a017288592bb4
Markdown822351bfe996e0406fbbc7524d1f823727ae14e1d54b0365e3d3e0ce519202d8
PDF
Publication page0f9ed2247317b287f094ef2d28bbc6c8119896a9c29cbcbe522cb6a32fe539d8
Manifest89c572bcb5e5837465477d0b2ea7dcc1b9b8202f5302f52a8540c55a3d66368d

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
SignatureMmZb0n7yvD49uy0exMj181Utt9waP6u5k/4oxtuEwyy/u1JFXOWhU1PDToVKiCsRLztznKFpFWn/4UmLI7tLBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:25.092493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054047
observed 0f9ed2247317b287f094ef2d28bbc6c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.072027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054047/manifest.json
observed 89c572bcb5e5837465477d0b2ea7dcc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.054070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054047/publication.md
observed 822351bfe996e0406fbbc7524d1f8237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:25.036246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054047/publication.txt
observed 562632e4f256de2c23d306ed8c4f9d73...
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.