OpenTechnical

OT-2026-000033178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000033178) never changes.

Identity and time

Publication numberOT-2026-000033178 · never reused
Internal UUID01a0ae75-4844-725d-88f5-6b6666daa5a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033178
StatusPUBLIC

Content hashes

Canonical text1dfe7b5a3991355377a5efb480bce5c1c2c3a39919fa592313cdd324cc927bfe
Markdown95f7c85773017d4076af46b4b1b5758d150b62971affab3cd748031b61405123
PDF
Publication pageb1c0cab3c50e52d23ef866011870c3892d3e2967c2353a526fbaa2063627f11d
Manifestb2ee3c8729f9e353f48d66107692fafbed8818b82b87056de71d0593943b3f20

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
SignatureK9LOIRUqm79iD9CCU+qAIDZppz2bqFzjiiL9MyDL2twW4bHsb/u95pJhNYwXc3QkvRJfMzKXl2Qrrvvu07a6BA==
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

2026-09-17T11:32:52.298456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033178
observed b1c0cab3c50e52d23ef866011870c389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.283438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033178/manifest.json
observed b2ee3c8729f9e353f48d66107692fafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.267581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033178/publication.md
observed 95f7c85773017d4076af46b4b1b5758d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:52.251123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033178/publication.txt
observed 1dfe7b5a3991355377a5efb480bce5c1...
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.