OpenTechnical

OT-2026-000084718

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000084718) never changes.

Identity and time

Publication numberOT-2026-000084718 · never reused
Internal UUID01a0ae98-e25d-75fe-9007-57d2a6c91424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084718
StatusPUBLIC

Content hashes

Canonical textae9a3aace26359a8ae73ef85c68451689d4a177cc49c8de1afa39894204c8b8a
Markdown82a4c8bbe668011e495721ffd0a43d3cabf878e833add143a78537a5e7e59027
PDF
Publication page8203d7b7260b1f3983101227075e66c5132b413623d2c6e64c89419a96476b33
Manifestdd3eb3e57c209c69e45ee3ee1df16ac56a1c97afca84786fb685dc886f069cd5

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
SignaturedvxWSll64HI2oMBvfqwgpva3WhCRNKiuI6pri9OH+M91VILsIphTY09AKj4Q5oSgFFf6G2WnyhKmcAXeeaGmAQ==
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

2026-09-17T09:55:39.396252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084718
observed 8203d7b7260b1f3983101227075e66c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.376549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084718/manifest.json
observed dd3eb3e57c209c69e45ee3ee1df16ac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.360081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084718/publication.md
observed 82a4c8bbe668011e495721ffd0a43d3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:39.343990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084718/publication.txt
observed ae9a3aace26359a8ae73ef85c6845168...
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.