OpenTechnical

OT-2026-000079855

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000079855) never changes.

Identity and time

Publication numberOT-2026-000079855 · never reused
Internal UUID01a0ae96-4376-7d95-ac8e-6b6cbd5f16c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079855
StatusPUBLIC

Content hashes

Canonical text3807fbb2ff9992cd9cdaf897bc55a441039267ec27e34f9257b4fc2febfff92c
Markdown15f20952416c2439f038beebf7943d437ac5d943d919b18ad3d4129b3d251739
PDF
Publication page16ddbeeadb500d01466e46b272cc2415e74c6a084534f7c7c3f242cc980a4039
Manifestfd94e06da732eeddac2eccbaf56430f2e13006d5d26d87f001e95abf3e6c92da

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
SignaturetB8T/n1wljqAD9/0By2MtupNYT54RdJHIAvBIf3C08f9pz+GuIDnMja+sH4EaunzG/HjLug4sb/1D27ztUn7AQ==
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

2026-09-17T10:03:44.742592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079855
observed 16ddbeeadb500d01466e46b272cc2415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.724850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079855/manifest.json
observed fd94e06da732eeddac2eccbaf56430f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.706375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079855/publication.md
observed 15f20952416c2439f038beebf7943d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:44.685714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079855/publication.txt
observed 3807fbb2ff9992cd9cdaf897bc55a441...
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.