OpenTechnical

OT-2026-000059456

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059456) never changes.

Identity and time

Publication numberOT-2026-000059456 · never reused
Internal UUID01a0ae89-8617-74ce-adf9-b4a2eb0a316f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059456
StatusPUBLIC

Content hashes

Canonical text52aca3ac9f934f2b83d68c6d788c07e5bc316a9dac9c61736b6f49bc2abddfea
Markdown4cc7698c674f6597dcd59b4245b525aa9af970ccae76c1dd4be73ad4020d05d1
PDF
Publication pagec4f029d203d05e1f2abc7cb97a10035162fa863b5ace590d8e5d78a5fc6717d9
Manifest0015c0e00ea0568b45a7dd16960223dd9102db7037b4475ec0b8a094d6dcbe22

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
SignaturezGinb9wBYY4hhzNIbBKtncBbFsa6vuH+nwNCvqG/3MBSUM87dwBhLe8lGbigCqJSmBlKOo454+fZkeYfEOA6DA==
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

2026-09-17T10:46:09.119668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059456
observed c4f029d203d05e1f2abc7cb97a100351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:09.104347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059456/manifest.json
observed 0015c0e00ea0568b45a7dd16960223dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:09.088706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059456/publication.md
observed 4cc7698c674f6597dcd59b4245b525aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:09.072259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059456/publication.txt
observed 52aca3ac9f934f2b83d68c6d788c07e5...
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.