OpenTechnical

OT-2026-000031761

Publication integrity record

Single cup vacuum gripper, single stage ejector, pulsed 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-2026-000031761) never changes.

Identity and time

Publication numberOT-2026-000031761 · never reused
Internal UUID01a0ae74-bad0-7385-b37a-0f0b65f5424b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031761
StatusPUBLIC

Content hashes

Canonical text166cd6bf5f2842de63fe7bebb3f7e34558ab8e5f94192fa1e036115d060af0e6
Markdown26cc9e2c0d85c1e08211b85062eabea59520e3df2544213109307ccc91e86615
PDF
Publication pageef93d98aa4cd80a9210e23898702083f6fb6332b5c59378c8b1fc215ea2ff2e9
Manifestc74c5bc39d5cf333d3b34c56d542f5d7c72e76d69228127f83efbcc46846a3aa

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
SignatureDbq7FpQZ4ywxTNfNsv/+WeFEjjVaktEIWP9zRpBCELEcMGKCTKHWqdZR6BjHBOhfGaTZzMrfVXwJYsRdJbv4Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:52.955665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031761
observed ef93d98aa4cd80a9210e23898702083f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.938396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031761/manifest.json
observed c74c5bc39d5cf333d3b34c56d542f5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.921150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031761/publication.md
observed 26cc9e2c0d85c1e08211b85062eabea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:52.905426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031761/publication.txt
observed 166cd6bf5f2842de63fe7bebb3f7e345...
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.