OpenTechnical

OT-2026-000083883

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained 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-2026-000083883) never changes.

Identity and time

Publication numberOT-2026-000083883 · never reused
Internal UUID01a0ae98-0418-786f-a8c7-53ab35bcd68b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083883
StatusPUBLIC

Content hashes

Canonical text7c9c57981c79f92deae5279583625349711ca61ddad3ce97d5fe9f867663aa42
Markdownd5a2278dd633594f756755032bf1972b5eb560d730d9babec3075f6ce6cacd92
PDF
Publication page85736ba1e3b438ae5310f8ce679b9b8037cc377167a72ac468dc5a79d7c59811
Manifest44abd6ad149ccc1999d6c2ef6fc11c3a116f6ec81a5b844eb15b5e3a687a6c88

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
Signatureml4xFhK6DbVP1T9XsCXaSu6+x1G85Y1oSRU5g42ers8I52dCpkZeoUU5JGzKkuig9NCvTu+ezC/RLMWoFbPPCg==
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

2026-09-17T10:00:15.982107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883
observed 85736ba1e3b438ae5310f8ce679b9b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:15.964847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/manifest.json
observed 44abd6ad149ccc1999d6c2ef6fc11c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:15.939971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/publication.md
observed d5a2278dd633594f756755032bf1972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:15.637285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/publication.txt
observed 7c9c57981c79f92deae5279583625349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.900325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883
observed 85736ba1e3b438ae5310f8ce679b9b80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.882678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/manifest.json
observed 44abd6ad149ccc1999d6c2ef6fc11c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.865615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/publication.md
observed d5a2278dd633594f756755032bf1972b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:32.848055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083883/publication.txt
observed 7c9c57981c79f92deae5279583625349...
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.