OpenTechnical

OT-2026-000048719

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000048719) never changes.

Identity and time

Publication numberOT-2026-000048719 · never reused
Internal UUID01a0ae80-c32b-7c1e-a6b7-2119cc069e02 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048719
StatusPUBLIC

Content hashes

Canonical text69c3b4e64cd74fe155be8d2efd9a2daeb61b299c6fede2d75e72d1902332f010
Markdown46e384e98c052c23fab7ae1db5b2d939e202d5548be20624efa2a3139aaacf60
PDF
Publication page855c8c4f0e04e540ffa245bc63af28b2586f1c8e324285f2f60de23419a22f74
Manifest0e93048efde07e9b01b1f6cae313b76225abc0ae815749d5822c3ec4767d3b72

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
SignatureDAspOiGkZum6PuPB0hLFSgVXZeUD3pvaj409BrtvxBXYPhujuJAaxFstG/SV+Grrd0KZ/Hqg019Fy7dOCEN1Bw==
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

2026-09-17T11:04:21.911259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048719
observed 855c8c4f0e04e540ffa245bc63af28b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.889293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048719/manifest.json
observed 0e93048efde07e9b01b1f6cae313b762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.869302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048719/publication.md
observed 46e384e98c052c23fab7ae1db5b2d939...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:21.846911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048719/publication.txt
observed 69c3b4e64cd74fe155be8d2efd9a2dae...
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.