OpenTechnical

OT-2026-000091470

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091470) never changes.

Identity and time

Publication numberOT-2026-000091470 · never reused
Internal UUID01a0ae9c-f16d-7132-a9a0-d3420493d522 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091470
StatusPUBLIC

Content hashes

Canonical text4b01961aab4c4d099bff9b3e4d304583e0bd4df8e67d3db834d03023e5c6b86f
Markdown55e896451e9976a3b0e398b4f26d697720ae9a6677a7c881499bda61ee73852e
PDF
Publication paged69ba066ed78df9b8125e49c318fd24bdf68103eba6251f31d39beb9ae2fa6fe
Manifest8fd44aa4018ab8014de84fbda57690820784271abc8e8b5e7c89fe7bf723efdb

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
SignatureEUA4obwsbOBXTq5RmvFHO1ssUt8HFnZ9ZX6+ltKci0aM8+3SjAImOPQEF9jTOkn2+UsvNXDQA+lazZ6opmgaCw==
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

2026-09-17T09:43:43.312821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091470
observed d69ba066ed78df9b8125e49c318fd24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.296788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091470/manifest.json
observed 8fd44aa4018ab8014de84fbda5769082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.281081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091470/publication.md
observed 55e896451e9976a3b0e398b4f26d6977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:43.264503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091470/publication.txt
observed 4b01961aab4c4d099bff9b3e4d304583...
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.