OpenTechnical

OT-2026-000054568

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054568) never changes.

Identity and time

Publication numberOT-2026-000054568 · never reused
Internal UUID01a0ae86-1283-7117-96b9-30d67dcf3e90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054568
StatusPUBLIC

Content hashes

Canonical text7cdcafd76dea39ffe99f57ecdbfc96ea646dce541f417c7106771905e36b4fbd
Markdown26d1c8e69bd02e172d5ae4166b0def7d005cd85d7eee9997ea5910e40945a6ea
PDF
Publication page544779f367c00fb9b90f4fd7bc4213d7b01221e14d98cb363aef96bbeaaf8685
Manifest097f592fd6850d2a8adbfe08f25ee677a5c3dbc944eefd6e416655030d04265f

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
SignaturetVtTcFT/amyctuU7JyEmNfnrMhgGxXtwmx2OyM8nFizLPeNNBwpc43oRAHOMnXMyLGwKF1FpfpvCg9e6GrZ7Dw==
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

2026-09-17T10:53:36.834531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054568
observed 544779f367c00fb9b90f4fd7bc4213d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.816720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054568/manifest.json
observed 097f592fd6850d2a8adbfe08f25ee677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.796593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054568/publication.md
observed 26d1c8e69bd02e172d5ae4166b0def7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:36.778848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054568/publication.txt
observed 7cdcafd76dea39ffe99f57ecdbfc96ea...
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.