OpenTechnical

OT-2026-000087844

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

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-2026-000087844) never changes.

Identity and time

Publication numberOT-2026-000087844 · never reused
Internal UUID01a0ae9b-1aa5-7f81-8c6f-0a7f57c51fad · 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-2026-000087844
StatusPUBLIC

Content hashes

Canonical text9e32febbca37bc608f46fe346bab65f55f5afb3b2071f3695e1b8ca69b91968c
Markdown50733e052ec88a55849718cb57b4ef0b70be20238d39876b30e543c2eb14ee56
PDF
Publication paged41dbab622b1de511546bc5c65b9eb711924cdc0ab308fa587266f7137fe29dc
Manifestf08f28b744cdfd583084aa1d4304c48de428a82b34013a7bd7ba980077a9c722

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
SignaturecKU0OIgDqeqHD9jLIDeqL5nW8B23sBPZhE8zFa2J8FNGhNrPy+eVZgRSVtbTSmDvVce8Rg//jqQWJyQHZ2PwAA==
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

2026-09-17T09:49:05.133187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087844
observed d41dbab622b1de511546bc5c65b9eb71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.116333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087844/manifest.json
observed f08f28b744cdfd583084aa1d4304c48d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.098314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087844/publication.md
observed 50733e052ec88a55849718cb57b4ef0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:05.079820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087844/publication.txt
observed 9e32febbca37bc608f46fe346bab65f5...
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.