OpenTechnical

OT-2026-000048919

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000048919) never changes.

Identity and time

Publication numberOT-2026-000048919 · never reused
Internal UUID01a0ae81-134b-7100-8ebc-82384b30c7ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048919
StatusPUBLIC

Content hashes

Canonical textcc7a6dd54d22e7f325eb15128a0cae26279030fdf96331c5f7e11e180e3d0315
Markdownb5e1e121bfc4e58bd7fc0b0646cf6adc48a7a975e51a6a47700f6456731df8d0
PDF
Publication page13a1cc150b4949e25bdf703c505d62cd499426673280fbd1403054324b7a67f5
Manifest2a25c141195e37d51f0ddc6c41b1fab52bfbd34ddba76bdf147e369847983a16

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
SignatureJN2DvIpWj72Lh+KoiW3DsQDHObQFF137Uh3eZQ8mRGxoH4xvKJNcgZlPtTiseRv0NqC1BZ4nX7UmCfz2QVVmCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:03:05.728359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048919
observed 13a1cc150b4949e25bdf703c505d62cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.709863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048919/manifest.json
observed 2a25c141195e37d51f0ddc6c41b1fab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.690954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048919/publication.md
observed b5e1e121bfc4e58bd7fc0b0646cf6adc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:05.667942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048919/publication.txt
observed cc7a6dd54d22e7f325eb15128a0cae26...
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.