OpenTechnical

OT-2026-000072893

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000072893) never changes.

Identity and time

Publication numberOT-2026-000072893 · never reused
Internal UUID01a0ae92-c814-71b5-b542-f1513b188059 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072893
StatusPUBLIC

Content hashes

Canonical text36178a73a91a20e39fde7caff331f6cd50cb077cb7d96f7c04064afdbc5cdb4b
Markdownd924f79da80a556c9fcec95bb678e381ca8ea0843002705b6d7138c42bdb7b53
PDF
Publication pagec022aa53f21f4b116a0dbd62272a88386841a49c79632863dd4609a862b86913
Manifest5c961c71046a9ea69764e63a5a72d097f89ec885cfc40c82a410aa5816851dd6

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
Signature5ts+hy5V9VQwoURlzKUtLqGkOpiDa5M8CqCPKTXId+evV3vqovnUdrfmFql3bZgjYOLZ95oqlO8PbQTh+AV8DQ==
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

2026-09-17T10:21:47.878458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072893
observed c022aa53f21f4b116a0dbd62272a8838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.859661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072893/manifest.json
observed 5c961c71046a9ea69764e63a5a72d097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.839401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072893/publication.md
observed d924f79da80a556c9fcec95bb678e381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:47.816307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072893/publication.txt
observed 36178a73a91a20e39fde7caff331f6cd...
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.