OpenTechnical

OT-2026-000072503

Publication integrity record

Two cup vacuum gripper, two 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-2026-000072503) never changes.

Identity and time

Publication numberOT-2026-000072503 · never reused
Internal UUID01a0ae92-89d8-7713-92cd-cd201602c057 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072503
StatusPUBLIC

Content hashes

Canonical textf66ad91c40500efa19ea31187ccf404c710d6aed93ffe9c7ae5a5c3e1b1a9dab
Markdown94366d17ba56239cc854f69df0967a959b17fd5bdf8ed2b45f456d210fb15c4f
PDF
Publication page9dde0894ba44c5087e26e091eadb6d6f683afac8b6218eac11da99a050108f8b
Manifestcbac1353104785aaabcdb455479adaccb23fe561b362e863e9cbf47e8f287b77

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
Signature5WExBwAeFES2yy63kDlpBCuqlPpeR05Faa4sli2P5OfHD3JUoKspPEblvWQ5PRt/vGychITuCG9hcMLvgUW+Aw==
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

2026-09-17T10:22:19.809025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072503
observed 9dde0894ba44c5087e26e091eadb6d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.791602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072503/manifest.json
observed cbac1353104785aaabcdb455479adacc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.775449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072503/publication.md
observed 94366d17ba56239cc854f69df0967a95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:19.759053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072503/publication.txt
observed f66ad91c40500efa19ea31187ccf404c...
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.