OpenTechnical

OT-2026-000073809

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000073809) never changes.

Identity and time

Publication numberOT-2026-000073809 · never reused
Internal UUID01a0ae93-2b8d-7d14-bb5c-dfca5965a7c0 · 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-2026-000073809
StatusPUBLIC

Content hashes

Canonical textcee7db0d8dcaf3e7a0acf01db1daee6f933504d99a51259794edbc9a9bb73139
Markdown9229e39dccc1ccec04d45ca95a0e16e7375b82d3173a3ee4c7940f4f7150f4e0
PDF
Publication page256dbb31910293dae83f95dabff776a20e3a2605e5efef1241469ec3ae900acf
Manifest0e8af6bf5904f04c33a5c535cac3dbada3a292c8de7f7b0f922bc15bf3188e27

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
SignatureZt13f2wIvV9D6V5l97pxaP1tFZiBtvVMJlG1JKFtSdYfk3Z4odbty2UN/oLMaApiSshe0EF/a9lQeeyNtU6cBA==
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

2026-09-17T10:19:55.760610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073809
observed 256dbb31910293dae83f95dabff776a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.742577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073809/manifest.json
observed 0e8af6bf5904f04c33a5c535cac3dbad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.722492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073809/publication.md
observed 9229e39dccc1ccec04d45ca95a0e16e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:55.701880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073809/publication.txt
observed cee7db0d8dcaf3e7a0acf01db1daee6f...
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.