OpenTechnical

OT-2026-000072702

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072702) never changes.

Identity and time

Publication numberOT-2026-000072702 · never reused
Internal UUID01a0ae92-89d9-7fdd-9f13-d109b796c3ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072702
StatusPUBLIC

Content hashes

Canonical text230c4da06af6cdbb764aef444a5cd5d850c78d1f28f3cae56638187014797fe7
Markdownea2d79c2777292749502c720c2fd2b4f5943b2bd8bde6f4cc54cab5f10533cf3
PDF
Publication pagea79c32ecc922e43b7a5ab9f77ef95202b925a3cb9afdf3633b423038b5c899ff
Manifest66b20414c49b754300cd6ff29c322c02cd6cd357a9fb7727bd52d4c5c9f2aa0f

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
SignatureHgPTfZYKVPWWs0acR07YshRXzhUANDIM1wgVOYBYQWboGKy5l4xlHMoehFXS/v3AoEyglrfrU6r/0Md7mWqWDA==
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

2026-09-17T10:22:35.755767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072702
observed a79c32ecc922e43b7a5ab9f77ef95202...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.739082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072702/manifest.json
observed 66b20414c49b754300cd6ff29c322c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.720980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072702/publication.md
observed ea2d79c2777292749502c720c2fd2b4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.702507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072702/publication.txt
observed 230c4da06af6cdbb764aef444a5cd5d8...
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.