OpenTechnical

OT-2026-000026660

Publication integrity record

Single bellows cup vacuum gripper, pump fed, sustained blow-off before set-down

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-2026-000026660) never changes.

Identity and time

Publication numberOT-2026-000026660 · never reused
Internal UUID01a0ae71-f4aa-71ea-85a8-2187c0a7154a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026660
StatusPUBLIC

Content hashes

Canonical textf97076fc391c525da7ae839705c35888de5eabfcb8ca827f0583bacc33b9425f
Markdown8021d897935e286d630087c3d4a52a7f65a0d8d9617c52251f237c7418dbe6cf
PDF
Publication page4e216bf93a304d2e11f7a82fe086d5ac7885633c2a1f2315af60056d0b6f6ead
Manifestc0edcdb786ecf789eaa9cd89d7d5dd1344190e3f1371911a21480970a690b7b4

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
SignatureFzcWasUJxXDUdoOHm7krxhN1KfvbwxqqId2QfPV2gnjmPFOI0NG/dkdwo9lPo3hVcjYZiJTCD1DeYLwG60cfDA==
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

2026-09-17T11:45:44.558239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026660
observed 4e216bf93a304d2e11f7a82fe086d5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.542790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026660/manifest.json
observed c0edcdb786ecf789eaa9cd89d7d5dd13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.526092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026660/publication.md
observed 8021d897935e286d630087c3d4a52a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:44.508272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026660/publication.txt
observed f97076fc391c525da7ae839705c35888...
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.