OpenTechnical

OT-2026-000056679

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000056679) never changes.

Identity and time

Publication numberOT-2026-000056679 · never reused
Internal UUID01a0ae87-7af6-7323-a959-94b1d74b77af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056679
StatusPUBLIC

Content hashes

Canonical text87418723c6d6c4a431e0b309dac214c14e1af2ad8fbb36750cf72fd4d7583cdf
Markdown5d8d4be2c0518082102ebbbcbd4d65b76f365b5f885c1f4a6ca7848b25d0dad0
PDF
Publication page1e2222417dac9365e72de4ec547b055a306a9f56042824505b596978cc97d5bb
Manifest3a4f578dbdc0a36b684f25a50b266b5cce5f8215a238eaf127640f8fc621db08

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
SignaturexSbDb4f5F9NzpUOa1jRtp438wXlr6I/5tlfti3sYuwfH1Et4XfKCRzGm/2KhufX3ScU+OX7GullygziNhf3EBw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:04.637826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056679
observed 1e2222417dac9365e72de4ec547b055a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.618688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056679/manifest.json
observed 3a4f578dbdc0a36b684f25a50b266b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.601730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056679/publication.md
observed 5d8d4be2c0518082102ebbbcbd4d65b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.584421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056679/publication.txt
observed 87418723c6d6c4a431e0b309dac214c1...
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.