OpenTechnical

OT-2026-000087767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000087767) never changes.

Identity and time

Publication numberOT-2026-000087767 · never reused
Internal UUID01a0ae9b-1aa4-79f7-86b0-973ea809eedf · 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-2026-000087767
StatusPUBLIC

Content hashes

Canonical text88efec0ad4b71f20aa93c10354538711ba4cb6bbf857604815cfec64e5f34a68
Markdown30c15d039b2819aeb8a561ff8a637ee1f3872ea4b2d6638f92aba3371b396298
PDF
Publication page12b6fb01b77a33f3ac76de15d9fe02387278353e10bae2013c3514d8a5820fb1
Manifest33df1093971abf59c8aec8c6336c448cd7ec8962fd213d3a30e45a1d313c9abb

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
SignatureNiaCSVJyPUcxKtoi1VPc8pp/6GAO4+77WiVNEAUevVFD+KBc6LoT5GCIkQ0hQI6NbwIAy90G1Cd7q6Sbx9+yCQ==
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

2026-09-17T09:48:58.064816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087767
observed 12b6fb01b77a33f3ac76de15d9fe0238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.048051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087767/manifest.json
observed 33df1093971abf59c8aec8c6336c448c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.030275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087767/publication.md
observed 30c15d039b2819aeb8a561ff8a637ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:58.011475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087767/publication.txt
observed 88efec0ad4b71f20aa93c10354538711...
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.