OpenTechnical

OT-2026-000061261

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061261) never changes.

Identity and time

Publication numberOT-2026-000061261 · never reused
Internal UUID01a0ae8b-1382-7993-9dc7-bf53254eae8c · 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-2026-000061261
StatusPUBLIC

Content hashes

Canonical text8470e599da02b104bdfb74b9aedc1fe0bd054eac93c12acd2692771c4fe03dab
Markdownd13adf88147c488770b2c973c2035042dc5d6fb0f0483f83d84f0ecda847f55c
PDF
Publication pageb6ecf93e16be9d62e732d52ebc76c3533dcbcb9acc32285f436067bc32ec3425
Manifestb2970029a3b78504a3ee6a8dfa51d4ed2036574041b277b2525a0dd206bc3c64

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
SignaturehN3W1X6fShenaqlY7P5NKzBFOebN1p4fU+LJBKvr3k88oJ1TE5sn0EPXpE5a24YiwPxnrJ1lHcsN1rU9wMTSCw==
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

2026-09-17T10:42:40.749810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061261
observed b6ecf93e16be9d62e732d52ebc76c353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.733802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061261/manifest.json
observed b2970029a3b78504a3ee6a8dfa51d4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.717641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061261/publication.md
observed d13adf88147c488770b2c973c2035042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:40.698995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061261/publication.txt
observed 8470e599da02b104bdfb74b9aedc1fe0...
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.