OpenTechnical

OT-2026-000005836

Publication integrity record

Bellows cup vacuum gripper, four zone face, pump fed, 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-2026-000005836) never changes.

Identity and time

Publication numberOT-2026-000005836 · never reused
Internal UUID01a0a946-7659-71b1-aa75-19508319a345 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:12:42.460722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005836
StatusPUBLIC

Content hashes

Canonical text83eabb4e2d6c1c794c4d305a061e211970d9f5596dbc1c0c2aa369332d229dcc
Markdown82e315991c41281fd247f54977a5ecb7b74d22445113ae60e53422fb61d8a101
PDF
Publication page513908eafea10af81333b9879a10a84fcaee34c0fe1b98c8878865989c2c2a54
Manifest28ef73670362488a0b1f78d715e2c106432e18a2bbe828269782e2f333c46768

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
SignaturensPb3TaDPr2KiQovRPqeQWcGMyTHvxC2DCh2uym6tdDUXejnJojTj0nuHa2gOw2b4iATBA/5qqa8LDln3SV6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:27.198933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005836
observed 513908eafea10af81333b9879a10a84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.183463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005836/manifest.json
observed 28ef73670362488a0b1f78d715e2c106...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.168662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005836/publication.md
observed 82e315991c41281fd247f54977a5ecb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:27.154081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005836/publication.txt
observed 83eabb4e2d6c1c794c4d305a061e2119...
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.