OpenTechnical

OT-2026-000052307

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000052307) never changes.

Identity and time

Publication numberOT-2026-000052307 · never reused
Internal UUID01a0ae83-e791-777f-bcef-0900966b24fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052307
StatusPUBLIC

Content hashes

Canonical text8d84e8c840d14b7e49d53eead3aa323e551263c9dcd5fc0f6483a4819a1ce2c9
Markdown1db67f933c2fb5b3a7008c9fc6f358243d6c9d1155c0e40f673a0c5b25d76f02
PDF
Publication pagef3b0ee06dd335064712e893f06b80ba2dfd96a55df73430bfbdd784ba47484de
Manifestaf871006ab2eb2a077c42f0d1907ff054a6bb77262ac5dbc353f00783517cd14

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
Signaturen56hPJue9w8cQ4CDehpTOa0EQpRnZRH1EkjFDNs1arqO11bbki5tA3z/MjXlsgzyCJcG/kFagn5gTB06xd53Dw==
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

2026-09-17T10:57:59.441482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052307
observed f3b0ee06dd335064712e893f06b80ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.424109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052307/manifest.json
observed af871006ab2eb2a077c42f0d1907ff05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.406718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052307/publication.md
observed 1db67f933c2fb5b3a7008c9fc6f35824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:59.387224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052307/publication.txt
observed 8d84e8c840d14b7e49d53eead3aa323e...
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.