OpenTechnical

OT-2026-000059481

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059481) never changes.

Identity and time

Publication numberOT-2026-000059481 · never reused
Internal UUID01a0ae89-8619-74b3-9f25-73c4120e4cc2 · 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-2026-000059481
StatusPUBLIC

Content hashes

Canonical texta20563fa79dd92865a722fe533220a3cc66d652c7c43f06b42e38bc0bdd33b4b
Markdown8b29612ca75b9d5e8811a2531531e708c436ac821baf1618625ed3c1734a6abe
PDF
Publication page3114a9277145fbd78a6fc76f1d620b658e9540b3eb93c4c204194920e5acb4ef
Manifestb80e0bc673170e96457348f6c89f1e033d8b31feb81315743e741a45239d168a

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
SignatureWlfxyx6Y/EZFaAQVAJyO4+83C/xY3OTpXg8nt64df9MMBPTGpEwQr23v+6iPM8vX3V4Guj2OOKcLeANJP/TeAA==
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

2026-09-17T10:46:11.012250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059481
observed 3114a9277145fbd78a6fc76f1d620b65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.995727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059481/manifest.json
observed b80e0bc673170e96457348f6c89f1e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.976050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059481/publication.md
observed 8b29612ca75b9d5e8811a2531531e708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:10.952210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059481/publication.txt
observed a20563fa79dd92865a722fe533220a3c...
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.