OpenTechnical

OT-2026-000061544

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000061544) never changes.

Identity and time

Publication numberOT-2026-000061544 · never reused
Internal UUID01a0ae8b-7b44-7c22-84fc-5c8dc5298df2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061544
StatusPUBLIC

Content hashes

Canonical text77359d9ae17cbc85e2fb4119668b61b2d77b9df47ff9a0ba99b42a1c1787fc62
Markdown030d5a6fac5fbd815e5a0b5f03080762ced1c9f4a6818885db712ea6745f08fd
PDF
Publication pagee77f0470b335155c4c1b779b1e9bdeac64288e5748214dd3c229b7f5b3a3b3ae
Manifestccc7681fcfbbd2cbae2a09e6afc327eec97d720f4082777ed32301000f94dc24

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
SignatureucwqfJeR7W6N1jys2gA1ScrQspXRi+hvYWeHkRboI9XH8Czgs6jCj0agMVjbaHePYOru9hYrj5tRq31nsxt0Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:27.218114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061544
observed e77f0470b335155c4c1b779b1e9bdeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.199602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061544/manifest.json
observed ccc7681fcfbbd2cbae2a09e6afc327ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.179791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061544/publication.md
observed 030d5a6fac5fbd815e5a0b5f03080762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.160920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061544/publication.txt
observed 77359d9ae17cbc85e2fb4119668b61b2...
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.