OpenTechnical

OT-2026-000061464

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000061464) never changes.

Identity and time

Publication numberOT-2026-000061464 · never reused
Internal UUID01a0ae8b-7b43-7432-b8de-7a9f06046c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061464
StatusPUBLIC

Content hashes

Canonical textf6ff3f0ab2f0822e2efbee6b8351fa9fca63fbd545b0d461894707710f667903
Markdown185d23498cef084a391c1247a205a2c49c34bc8c0b5b925f6a6eac0e6d78a590
PDF
Publication pagecba47f1c1717b8ef4cb1fa2c45dab422d40d5c3ebc9a6c6960f8926341d84fdf
Manifest26469e882c2b257b8630c4f89b11037d43c6efe79b606a40cb1530bdea07d5f0

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
Signaturezye+yk1pKYOJU3S906GhmWzpYz9Yt5VSLgb01zJqr0MTY5sZc1b74yDXj7TRGP7ol5IUN5H4spcrQK2dMGHCBQ==
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

2026-09-17T10:41:20.942453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061464
observed cba47f1c1717b8ef4cb1fa2c45dab422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.925465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061464/manifest.json
observed 26469e882c2b257b8630c4f89b11037d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.908882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061464/publication.md
observed 185d23498cef084a391c1247a205a2c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:20.891349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061464/publication.txt
observed f6ff3f0ab2f0822e2efbee6b8351fa9f...
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.