OpenTechnical

OT-2026-000088957

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000088957) never changes.

Identity and time

Publication numberOT-2026-000088957 · never reused
Internal UUID01a0ae9b-8f11-7291-822f-6265b2b8dff5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088957
StatusPUBLIC

Content hashes

Canonical text6cde2de346f562407837b3ad7cd2378aff6a39bc4c33ceab1fd19b88ef9299b9
Markdown74d3f83b6e74765cc0a8d4ac8b5cb8b0963b612c92d0febe68d26357fe2ad860
PDF
Publication pagedeb28ebcbfd2f1e0f4d2b42abd3daa862f70b88574e8b3da5e27aa4abd583478
Manifest44d7526e6891cd971302538dbf3eb6cf1ffdfa86c9022c7bfd77ed5528348c39

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
SignatureChNQEXi0uLRuHKJ5FSaOL+K/2pM3Ya/sffzILH6BlPzXcFmlubAcnQxhcOrm4iXJLRjQd+W4t52HF72+yXbgAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:22.178922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088957
observed deb28ebcbfd2f1e0f4d2b42abd3daa86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.161942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088957/manifest.json
observed 44d7526e6891cd971302538dbf3eb6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.144624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088957/publication.md
observed 74d3f83b6e74765cc0a8d4ac8b5cb8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:22.126370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088957/publication.txt
observed 6cde2de346f562407837b3ad7cd2378a...
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.