OpenTechnical

OT-2026-000074294

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000074294) never changes.

Identity and time

Publication numberOT-2026-000074294 · never reused
Internal UUID01a0ae93-7178-7816-bd10-baa4f7a47bb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074294
StatusPUBLIC

Content hashes

Canonical text8bd0f0f0b4bab0b745012e59493db1a82cb0418ed6711dc6b15a00ff0f574dca
Markdownb5e542da46ee154fb0a03d7b8cb73a3f7b44c215d6a19b1962bd7f1d1ce4d29d
PDF
Publication pagec8ac51a705a229b0c2ed3ab63e9a27511bf4cf2169d3948b432b0ad1bcb47e2a
Manifestbceb2de2f7ec6a38e80d39d0842e6937e530039598b5bad9d35ddb594f8ea8bd

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
SignaturexUsEHGdAz8RlW1pDM3N1zkppht2InnFB2sA2mWKCfo8373x1AXivUqQXdfb0j+BeZpk0C4U38/AcHLUbuMlhBg==
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

2026-09-17T10:19:12.295773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074294
observed c8ac51a705a229b0c2ed3ab63e9a2751...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.278393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074294/manifest.json
observed bceb2de2f7ec6a38e80d39d0842e6937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.261228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074294/publication.md
observed b5e542da46ee154fb0a03d7b8cb73a3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.243468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074294/publication.txt
observed 8bd0f0f0b4bab0b745012e59493db1a8...
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.