OpenTechnical

OT-2026-000069057

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069057) never changes.

Identity and time

Publication numberOT-2026-000069057 · never reused
Internal UUID01a0ae90-6dce-7b74-9711-b3e70267cf9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069057
StatusPUBLIC

Content hashes

Canonical text4085822b461efd728bfec86abadfac5c99f2d704ca086379eb88e82e049329cd
Markdownb249747cf2abcfe10af74a1835d6bec380e092c95c9bc80d0bde1bda10943ac2
PDF
Publication pagebf8dd1e2e48f9b50c0601571ca96f753499657c5b9671edc5b9ccb6ee9e0e177
Manifeste0ed8590b994c6148299ad7f02be5f65099790bf9fd53781596e99b902d9aa4e

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
SignatureM3l6FGO0onfAYSawP89ljjOKEzzHDR5BjApMLmEXyXKROTa/uC5wmLveRbJMFnsKy6Blwd70QaiXtWS4CEiAAw==
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

2026-09-17T10:28:55.259798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069057
observed bf8dd1e2e48f9b50c0601571ca96f753...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.241303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069057/manifest.json
observed e0ed8590b994c6148299ad7f02be5f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.223880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069057/publication.md
observed b249747cf2abcfe10af74a1835d6bec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:55.206357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069057/publication.txt
observed 4085822b461efd728bfec86abadfac5c...
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.