OpenTechnical

OT-2026-000057613

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000057613) never changes.

Identity and time

Publication numberOT-2026-000057613 · never reused
Internal UUID01a0ae88-2694-7099-836e-433235b65430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057613
StatusPUBLIC

Content hashes

Canonical textf2e24671a20eea17517a91a21087d7eae2c4839f6100dfe69e5c2388bcdaef54
Markdown238ba0e9f29e01d4e2858491bd913accc02337811b39884f9ebbf5ca3b0347ee
PDF
Publication page6efbfd227478835a97ab8e6d6d570ac2cc1e527d6acf82d5ba9b8e69506b73a0
Manifest7d7be6b654eedee2651aefee4810301bfcd5d615d01cab714cb9872e263b8378

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
Signature9JlROZc7fOuU/dsU/2+mbUL4qTEI6P/R70Bn9RihCBWAk0QFvuHxB2YKDhgarjh1jEHgIyPtH3j8N7jhFbGRAA==
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

2026-09-17T10:48:10.185411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057613
observed 6efbfd227478835a97ab8e6d6d570ac2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.167535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057613/manifest.json
observed 7d7be6b654eedee2651aefee4810301b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.149658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057613/publication.md
observed 238ba0e9f29e01d4e2858491bd913acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:10.130706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057613/publication.txt
observed f2e24671a20eea17517a91a21087d7ea...
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.