OpenTechnical

OT-2026-000023925

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000023925) never changes.

Identity and time

Publication numberOT-2026-000023925 · never reused
Internal UUID01a0ae70-aed6-7ac3-86a6-5e4f9071d02c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023925
StatusPUBLIC

Content hashes

Canonical text6275635833b396f0d17b569cac23007d6917e2386988ad4a072cbea568c2e735
Markdown8694b2dc86351643c354beaa786a7d4e42a4f7a0090a1de5fd8a7b82fa0e10bb
PDF
Publication page89ae10ec5224490fb3d57307244c279a41a406d9242b3c4ca9a6b59e34ad13e0
Manifestb5a1d877a643459e85b666c61525f7357c4525d59e197b97a36dc1324d698033

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
SignatureB0RUFaSzlZhtUP6C6OYZlYo2c8D30277+PUhXcKDTOhxKBQecq4bG+Nvm5L+lxtlU4RqBNRvWUNCTDW1WgDtAg==
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

2026-09-17T11:50:32.925127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023925
observed 89ae10ec5224490fb3d57307244c279a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.909679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023925/manifest.json
observed b5a1d877a643459e85b666c61525f735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.890225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023925/publication.md
observed 8694b2dc86351643c354beaa786a7d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:32.873510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023925/publication.txt
observed 6275635833b396f0d17b569cac23007d...
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.