OpenTechnical

OT-2026-000061293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000061293) never changes.

Identity and time

Publication numberOT-2026-000061293 · never reused
Internal UUID01a0ae8b-1384-75ec-a313-07c7959d4de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061293
StatusPUBLIC

Content hashes

Canonical text6bf6d4bca1fdf20f3cf0138e7c1eb76bfcf4056d0c3ed1c623321a7bf6b7ae90
Markdown7f20729eaf4cbf311f2820434df1a4cdbe3b4eccb4e1dbbdd15d41a5c173c2db
PDF
Publication page21fe87a37cc2b02674d03287df4aa8fd5e005f3923b9577a9fd4df32b6a32199
Manifest6dcf0bc19d58e960bdf50c06edf4b28aa7d85aaa9fc1c3a96d8c41bbf81c416e

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
Signature12V+fAugnntjvzV1tB+eKL0i/mcx+DAUWMHwQGFyWcxnBcT2dIBLtp14hRV1zpmpFmUZRvlLKrelkeIEQDhYDw==
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...

Independent retrieval

2026-09-17T10:42:43.155640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061293
observed 21fe87a37cc2b02674d03287df4aa8fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.137658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061293/manifest.json
observed 6dcf0bc19d58e960bdf50c06edf4b28a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.118003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061293/publication.md
observed 7f20729eaf4cbf311f2820434df1a4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:43.098833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061293/publication.txt
observed 6bf6d4bca1fdf20f3cf0138e7c1eb76b...
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.