OpenTechnical

OT-2026-000073941

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000073941) never changes.

Identity and time

Publication numberOT-2026-000073941 · never reused
Internal UUID01a0ae93-2b8e-775e-8eee-8ca6735600b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073941
StatusPUBLIC

Content hashes

Canonical text87bd8dc70e5c21875748685bc2e3be42b579c82a65f95afbcf389186c0606389
Markdowned5545c547369511ae18f5cc6e8511db1f859145c032a3d628099978ba856815
PDF
Publication page613bfd0eafabc8edbc7b70ebc56e193b89819ca80c8fad75643d2589dee81e59
Manifest2d46149f58cf6cfc82b19c581171f626919f6fed994a296d59bcba68bbb3f649

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
SignaturezW6gbUOScJkBAlyLswzGUjjcuKq8GRLS29q1xMPz5X8g7jdXyxRtgfa8b5ry5UpwnqWS6il8ibG1nR1x094aDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:13.671309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073941
observed 613bfd0eafabc8edbc7b70ebc56e193b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.651032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073941/manifest.json
observed 2d46149f58cf6cfc82b19c581171f626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.632041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073941/publication.md
observed ed5545c547369511ae18f5cc6e8511db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:13.610089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073941/publication.txt
observed 87bd8dc70e5c21875748685bc2e3be42...
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.