OpenTechnical

OT-2026-000074717

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074717) never changes.

Identity and time

Publication numberOT-2026-000074717 · never reused
Internal UUID01a0ae93-ac2b-7d97-bc84-dba26a93e4db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074717
StatusPUBLIC

Content hashes

Canonical textbea46155756ebbdf9ba413995509b7aa0ef0d3108d9be1c70a62e74606d0f3ce
Markdowne1b0da6c8699e3270b70e98d6a49ddb7cec0b71c1771086e3577a8576aed55dd
PDF
Publication page651570174bc979a5a500a9ce3d7a86703670fc570af8c27491cfd73371e6a577
Manifest967e120009ac1a44e9f0510aab92751e037a30d74e13ac76b68ae7e50a322be9

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
Signatured5Tm6ISFMVEaoKUFdJBLcCUK3+tohih08emxE/7L+L8gNrPdKCaAoXynGTPiXrpnFcW3NvmWc8q4MKbjLjxfCA==
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

2026-09-17T10:18:18.813029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074717
observed 651570174bc979a5a500a9ce3d7a8670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.793876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074717/manifest.json
observed 967e120009ac1a44e9f0510aab92751e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.772536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074717/publication.md
observed e1b0da6c8699e3270b70e98d6a49ddb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.754959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074717/publication.txt
observed bea46155756ebbdf9ba413995509b7aa...
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.