OpenTechnical

OT-2026-000078250

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000078250) never changes.

Identity and time

Publication numberOT-2026-000078250 · never reused
Internal UUID01a0ae95-7c27-7714-b0e9-399b75ba2ac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078250
StatusPUBLIC

Content hashes

Canonical text906339effd05ef455ee4cbbbe5c6a5d6bd01a8eb173d84104c6f7aa6c58600ef
Markdownfc64ea2a91f532eb74512410b43954c8a2cea61a8d92bf463e7613699e3ec2d8
PDF
Publication pageff831d849943838382c8e7b56bea7d1114dff5f86b8b3b63b548cca120f3e8e6
Manifest1c42ff98c2799638fa05838fe839cfd5b1028b56db6d8f967f64494dad320d4d

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
Signatureq2yqm+uypC8PcuPYPQMq5lesKJq0ear/Z2KQC5nS1eVfr71UZRq3puzGIXvw3muyTGW2n+V5wwRgfTUaKA4kAA==
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

2026-09-17T10:06:12.335205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078250
observed ff831d849943838382c8e7b56bea7d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.317566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078250/manifest.json
observed 1c42ff98c2799638fa05838fe839cfd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.298632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078250/publication.md
observed fc64ea2a91f532eb74512410b43954c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.279448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078250/publication.txt
observed 906339effd05ef455ee4cbbbe5c6a5d6...
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.