OpenTechnical

OT-2026-000069348

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000069348) never changes.

Identity and time

Publication numberOT-2026-000069348 · never reused
Internal UUID01a0ae90-b529-7c31-aa51-bb17ca08ec12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069348
StatusPUBLIC

Content hashes

Canonical textc803deac1b8d99a05bba94ec38fda76a6267585df4cdf92c91386d8098126374
Markdowne3259ee58339aa3eebded4142cbc48ae2d9b5e91d0d967c143ac55c3560db23e
PDF
Publication page3cbe76ef6445dfe2a341636c053bec96ae61533e08105b1e7e98e4db254c33cd
Manifest2d7f7fe6eedbb1640fad33e7a895610af78f80bb82ce17d4249e97b706bc932a

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
SignatureQZoiA5ePOr0F0dvDfLsVFZpaPZyNkrZ83MJBykFv6galq42dnATKZuzBxCUfAqWbB4weaun48Pg6PrG9LNVyBQ==
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

2026-09-17T10:30:15.230017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348
observed 3cbe76ef6445dfe2a341636c053bec96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.211127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/manifest.json
observed 2d7f7fe6eedbb1640fad33e7a895610a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.190417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/publication.md
observed e3259ee58339aa3eebded4142cbc48ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.171524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/publication.txt
observed c803deac1b8d99a05bba94ec38fda76a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.181216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348
observed 3cbe76ef6445dfe2a341636c053bec96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.162849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/manifest.json
observed 2d7f7fe6eedbb1640fad33e7a895610a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.133488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/publication.md
observed e3259ee58339aa3eebded4142cbc48ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.112720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069348/publication.txt
observed c803deac1b8d99a05bba94ec38fda76a...
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.