OpenTechnical

OT-2026-000087849

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000087849) never changes.

Identity and time

Publication numberOT-2026-000087849 · never reused
Internal UUID01a0ae9b-1aa5-7678-a48b-7008fcf1d8d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087849
StatusPUBLIC

Content hashes

Canonical text782aeb79f3b9a76446eebf00465052ab513514a36e567ed324e120e3a15993ec
Markdownf25b944f5d091841ff57e9bf712070e1f8d9e85da15d19a374334f75c597b794
PDF
Publication page03c543340da45772ed25930a91792c68bac16f0917ffbfbcad2d93524fd78dbb
Manifesta32de3273809c89c3508e4ce87452cbbd8cd11223256a1131df0a74e30072d3a

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
SignaturecJ33jX99TNd3Gj63/n2oofbyDS+LiHZIK5MozjFthpTX3t+r2hL3E2ceVoXt8PCmvaGIs/hJJrqvDCjhXIUJBA==
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

2026-09-17T09:49:05.521763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087849
observed 03c543340da45772ed25930a91792c68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.502649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087849/manifest.json
observed a32de3273809c89c3508e4ce87452cbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.483715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087849/publication.md
observed f25b944f5d091841ff57e9bf712070e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.464703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087849/publication.txt
observed 782aeb79f3b9a76446eebf00465052ab...
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.