OpenTechnical

OT-2026-000007545

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000007545) never changes.

Identity and time

Publication numberOT-2026-000007545 · never reused
Internal UUID01a0ae62-4df6-7029-8d93-44980c55b053 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007545
StatusPUBLIC

Content hashes

Canonical text95d8f71dccf35a20d0a95e182382f9c70d2d23c2c4260bb1fe46e86e64cf78c4
Markdown53a06284c2a88e8c01e5d4b7905c7974a6a3cb76a2a72bd63026dd76f3410e91
PDF
Publication pagef0567b72dac934e1b860a22e99ac22e9fd8a6b3b0f25ed124d57dcaf0da8aee3
Manifest83812b8e9da009a51edff4323d1225fd3bef2cc56fe945bafa31ff4759287cb9

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
SignatureFWTgxLOpWt2qaQkCyEyN3djtoFbfw2lvPMqqOBfjCUrGurtKOHSB/XZmSoKdO8F5rDBPjU2wCFhVN6VZxpRBCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:23.354613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007545
observed f0567b72dac934e1b860a22e99ac22e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.336976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007545/manifest.json
observed 83812b8e9da009a51edff4323d1225fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.319883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007545/publication.md
observed 53a06284c2a88e8c01e5d4b7905c7974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.303658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007545/publication.txt
observed 95d8f71dccf35a20d0a95e182382f9c7...
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.