OpenTechnical

OT-2026-000070608

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, vented 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-2026-000070608) never changes.

Identity and time

Publication numberOT-2026-000070608 · never reused
Internal UUID01a0ae91-5460-7d53-86a9-b9650310dfbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070608
StatusPUBLIC

Content hashes

Canonical texte8585d0f336911712d55269369e39ad45a07047ec55a023cb1402ade0ae24ead
Markdown31a3d1d9521bbeb2aed2f9bd55bcdc9a16aacd729398a4072ce5caab73ee150a
PDF
Publication page49f541b02d4b7889fcd9b51da707a03601b037fd8f58e19e8b57dc869ef6561c
Manifest26d7ca4432af085f172cfe769913838433ad35bd03e69e9f299847633bf4c511

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
SignatureOKPG3yPW7VDmuEvMQORON20zxO8HLFLXQ9rukQhuxc0q9OGFxM1iUMyrtGNA4oEn+iQUMPZZ+jgNg5Dz2fRuCg==
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

2026-09-17T10:26:28.067298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070608
observed 49f541b02d4b7889fcd9b51da707a036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.040450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070608/manifest.json
observed 26d7ca4432af085f172cfe7699138384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.023519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070608/publication.md
observed 31a3d1d9521bbeb2aed2f9bd55bcdc9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:28.006186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070608/publication.txt
observed e8585d0f336911712d55269369e39ad4...
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.