OpenTechnical

OT-2026-000079907

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000079907) never changes.

Identity and time

Publication numberOT-2026-000079907 · never reused
Internal UUID01a0ae96-4376-72da-aa5e-a1e0eb993b37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079907
StatusPUBLIC

Content hashes

Canonical textae1924c488e6f636c6368586d2d4b65c4298bca0546d26ada3c6a6ce2dcc53b5
Markdowne55c91a5b55f683c04b746720c834335793e1831f7e62eae99706cf9aa66d251
PDF
Publication page9eeca68d31869c8e6754db68eb83f12ab538528d90b3ed109e7cd14246dd1f93
Manifest36cc393d581f17194a39e058a56755bd93fd2ba2c006f551fd0847822677cc94

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
SignatureMCNwOX6TCy7rPziqImtIPjbRTR6WzL1GE+MsyY0rLZk6SLd059ej9TenJTSJBvqiTpxSpMapIhkJrzsEEQQEAg==
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

2026-09-17T10:03:48.322574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079907
observed 9eeca68d31869c8e6754db68eb83f12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.303833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079907/manifest.json
observed 36cc393d581f17194a39e058a56755bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.285395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079907/publication.md
observed e55c91a5b55f683c04b746720c834335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.267776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079907/publication.txt
observed ae1924c488e6f636c6368586d2d4b65c...
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.