OpenTechnical

OT-2026-000073637

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000073637) never changes.

Identity and time

Publication numberOT-2026-000073637 · never reused
Internal UUID01a0ae93-2b8c-744d-9c99-4bcdfa6985dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073637
StatusPUBLIC

Content hashes

Canonical text9d76dcd1160e3e1a0a51ad2e30d12341c1738b11d72b96faa66b30f8849138a6
Markdown0967bc2f1e6cdb40852a51c9a30818c5c27e3dececca5101b8203468e7a6553e
PDF
Publication pagea4a9f633cd2903903f9f7f236a6ef05d83f703cb98b692c8266defb128d25c21
Manifest58752c575e17f3c846f0ef6e5d6158b5b131df7476638877720cf6573787a1c3

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
SignaturevciosYl1LDdbxi0kLp9mfn79eIdfxw6dxMSBhkuGEM7Ytu0Wtws7xphX//VRDWV3yLSFJxrUrA4eDf8+WXbzBA==
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

2026-09-17T10:19:40.966278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073637
observed a4a9f633cd2903903f9f7f236a6ef05d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.949014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073637/manifest.json
observed 58752c575e17f3c846f0ef6e5d6158b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.931128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073637/publication.md
observed 0967bc2f1e6cdb40852a51c9a30818c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.913479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073637/publication.txt
observed 9d76dcd1160e3e1a0a51ad2e30d12341...
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.