OpenTechnical

OT-2026-000039448

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000039448) never changes.

Identity and time

Publication numberOT-2026-000039448 · never reused
Internal UUID01a0ae78-9675-71d1-b226-8aeb56f491db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039448
StatusPUBLIC

Content hashes

Canonical text6eae510984db6602a2584943b5b622746faf41104cdb027b4ecf271345ff857f
Markdownde4b10677d2f68b078db8ecbb1220f44f4b31e1d95562d32a07b763c70f54f3f
PDF
Publication pagecb33e0d4ecb8bc4d4bc99d6f9127de4d867e16f7d71794d670a9207156b7c48d
Manifest56ed476081db53800c6bcaafd264d50806b017cfbf48c6b34ede6da54eb4738a

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
SignaturemM9075CEHoaVYeGhyPDNBg1W/n4PzXNSh4ukkRkGjr4QXbhjnHOwre9hMczeee78xdBgEZa0+nBjbqvnnknVDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:04.120907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039448
observed cb33e0d4ecb8bc4d4bc99d6f9127de4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.103806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039448/manifest.json
observed 56ed476081db53800c6bcaafd264d508...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.085773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039448/publication.md
observed de4b10677d2f68b078db8ecbb1220f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:04.067854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039448/publication.txt
observed 6eae510984db6602a2584943b5b62274...
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.