OpenTechnical

OT-2026-000081796

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081796) never changes.

Identity and time

Publication numberOT-2026-000081796 · never reused
Internal UUID01a0ae97-0f74-7348-b93e-b4b11065ca5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081796
StatusPUBLIC

Content hashes

Canonical text4d6b9af97c75a2f574a61c5f0320940c04b1952cb7304302495f6d2bf107fb2a
Markdown515c1e17a382123e0f94fa464320ab87da9cf4f8a4545ad1b1a45a2e788593e1
PDF
Publication pagee0a541433c8b9be9f6b0e01d69ea23c115743d10b0c47bb806bdac15c5d87bc2
Manifest9ab3240a5a3be9836d31b0449a6215c7b074d4fd915b5afd467416e40999c20f

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
Signature1+sJVHV4VA9LU/M5MmfY+NKeC8Eq7bXEb7qq0L+cDMPItClD452iRTtD8m5YwvEONrAHXPGvFM4DC3T/csIUCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:53.747665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081796
observed e0a541433c8b9be9f6b0e01d69ea23c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.729678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081796/manifest.json
observed 9ab3240a5a3be9836d31b0449a6215c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.711902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081796/publication.md
observed 515c1e17a382123e0f94fa464320ab87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.694098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081796/publication.txt
observed 4d6b9af97c75a2f574a61c5f0320940c...
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.