OpenTechnical

OT-2026-000008320

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before 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-2026-000008320) never changes.

Identity and time

Publication numberOT-2026-000008320 · never reused
Internal UUID01a0ae6a-e469-76a8-827d-c7055bd8159a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008320
StatusPUBLIC

Content hashes

Canonical text9024d2663125afb5e6230fbf455b5fdb434baeaf00116cfc3670873c52aa7478
Markdown69b150cdcf748a627022d46f9b7171044b551f427573adcc1f5f9c654cdaa929
PDF
Publication pageff91eee0973c7047ce2c978966fed17786aff01a6f201c0cc5049c997ba48831
Manifest70a72103d2c1e1064a9b3cebb578963793291fee9584a72dece567355df89ef3

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
SignatureY6/Lage+1osN1vLmXPLlSERg278itmu0SNp0turJDg46LeZIumrFGCISUVdTspISwlO4DOXBIyDQrkowi1OSCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:07.908899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008320
observed ff91eee0973c7047ce2c978966fed177...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.891509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008320/manifest.json
observed 70a72103d2c1e1064a9b3cebb5789637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.873795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008320/publication.md
observed 69b150cdcf748a627022d46f9b717104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.853945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008320/publication.txt
observed 9024d2663125afb5e6230fbf455b5fdb...
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.