OpenTechnical

OT-2026-000023637

Publication integrity record

Single cup vacuum gripper, single stage ejector, sustained 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-2026-000023637) never changes.

Identity and time

Publication numberOT-2026-000023637 · never reused
Internal UUID01a0ae70-aed3-7d0d-bb49-f144556aaa82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023637
StatusPUBLIC

Content hashes

Canonical textd9fa9d2d7bbb3ebb78f55024d79ab3e57757b204cdde65b05dbd744b5c7a5590
Markdown08d3c381a102076bde48c2fcdcb693843579244b29857b9fb9f8840a3bd36994
PDF
Publication page3ccd8e00df65df648c1fcb75866edb75b460a1414899a6a93d7f68e9946c6df5
Manifest566a260010a5683379940d105904e08d2021359b89f804b547741740b326b6cb

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
Signaturel/VCJcVymR0Wz6lsxxdm/45U7I0MKIbtnhDHhdah2b8Yyfw9EgsB3+va82H0ODZjeE2XtKkNRBOFGISFTT7XAg==
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

2026-09-17T11:49:50.804956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023637
observed 3ccd8e00df65df648c1fcb75866edb75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.787035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023637/manifest.json
observed 566a260010a5683379940d105904e08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.768884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023637/publication.md
observed 08d3c381a102076bde48c2fcdcb69384...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:50.751998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023637/publication.txt
observed d9fa9d2d7bbb3ebb78f55024d79ab3e5...
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.