OpenTechnical

OT-2026-000056572

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off 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-2026-000056572) never changes.

Identity and time

Publication numberOT-2026-000056572 · never reused
Internal UUID01a0ae87-7af5-7b52-b336-04dd20a56e03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056572
StatusPUBLIC

Content hashes

Canonical text1df21c0799a1ca204f4fe659771e8b72de2895ee0d419b8b046bf29f3316a919
Markdown6d99af6e14101d831dbf9a0fccee8e53a9ce99884bd7a6c488039c6514c4d1db
PDF
Publication pagefe4050876935b1c3532098d1b7a8eb1f68d0b9cd0bdd26680380832ffa68a1ff
Manifest8095124da88c55fad6c7b3cca6043e29fa46e8fdd1fc37dbfed96180aa2b7313

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
Signature2Xzw0DD0/rReQyTJjWbleROIA6NnczYig4Ai/vcnh7Y4gFFNKYhVWGTJokCyX3Ku0v8oBXvrzQqCZstsXwGNDA==
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

2026-09-17T10:49:54.742430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056572
observed fe4050876935b1c3532098d1b7a8eb1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.722934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056572/manifest.json
observed 8095124da88c55fad6c7b3cca6043e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.706198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056572/publication.md
observed 6d99af6e14101d831dbf9a0fccee8e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:54.689157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056572/publication.txt
observed 1df21c0799a1ca204f4fe659771e8b72...
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.