OpenTechnical

OT-2026-000078057

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000078057) never changes.

Identity and time

Publication numberOT-2026-000078057 · never reused
Internal UUID01a0ae95-6e8c-71e9-932d-65c01c89bab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078057
StatusPUBLIC

Content hashes

Canonical text6ea52c511450660f701806ac853d65a605bbd1995f9b1e84ac1f83e2172fd43e
Markdownf3f38a82a8b9784ae1bcc27f6c89e552bd4ce6185540cf77096938d5d6da6ddd
PDF
Publication page764c068344deb5c922843a4de2e5c6b7b3a904a5dcebc3e57eb7811659923694
Manifest3b7fc1de64f8bdc39221c36a602c9ab6c3bfb3ff3dea3237c1f7fd6a51a4c72d

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
SignaturekJiuD4omefDLxjSPfZBiwkNBDR+u3ZyVLKqzCB8APdoS9QohVU8jz6hC04wlOekr/4oR4Ot2Xj6t/EngP8pDCw==
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

2026-09-17T10:06:45.695186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078057
observed 764c068344deb5c922843a4de2e5c6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.675224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078057/manifest.json
observed 3b7fc1de64f8bdc39221c36a602c9ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.656520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078057/publication.md
observed f3f38a82a8b9784ae1bcc27f6c89e552...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.640959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078057/publication.txt
observed 6ea52c511450660f701806ac853d65a6...
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.