OpenTechnical

OT-2026-000030603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000030603) never changes.

Identity and time

Publication numberOT-2026-000030603 · never reused
Internal UUID01a0ae74-3fb2-7289-b959-0fa110bc2ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030603
StatusPUBLIC

Content hashes

Canonical text27663bd42aad52c871368dddfbbfd52cb2a54a364e40a818ca54b7fedd9c6314
Markdownac3ad7be9d24f82c3a01585dcadbb032e5fc529a7bba2af02a247cb2866109f7
PDF
Publication page2a6340c68333ca179d78bded55db0ce96a0fb008e1791a1048ac9a4775ee4062
Manifest61ed7cb999d6f44f81bbde1a9ddcb92abc0b9d0ac264539c1e0e9c064102d615

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
SignatureT1Vd2XrPLabklpxfdPS87lpYa9cTD7/5oa2KYis2TPooFIckbb3YDEIF1tFtKfdCzZhDOCZt8tt38T93em6fCg==
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

2026-09-17T11:36:28.240413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030603
observed 2a6340c68333ca179d78bded55db0ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.222335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030603/manifest.json
observed 61ed7cb999d6f44f81bbde1a9ddcb92a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.205730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030603/publication.md
observed ac3ad7be9d24f82c3a01585dcadbb032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:28.188623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030603/publication.txt
observed 27663bd42aad52c871368dddfbbfd52c...
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.