OpenTechnical

OT-2026-000031397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump 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-2026-000031397) never changes.

Identity and time

Publication numberOT-2026-000031397 · never reused
Internal UUID01a0ae74-87ad-7864-8d67-77edeb5e1f63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031397
StatusPUBLIC

Content hashes

Canonical text56616639d748108b59d6bddd1bc9413b349fd97f64aaec80889b506e10b9b671
Markdownbc717fb4b040eca4d33d59b825919a3d012a555bcf199315314d1f6d15a1544a
PDF
Publication page3636b8c934aa6e539da1d33da1c3f4b9fb2d6f556fa4e1ac510d5b2f73937d02
Manifestb6dcce954d1978d74b4e4bd69aabda2acae8add1a5d6eed0cf33391a567c8a4b

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
Signaturebd5zXm0tIdssMlPJ/90XhjGZTZ0C1eANubjP1Ij9QfVkCir4vSCGPR5L800SgLVZ+0G2Uybkh37syXQr0pUXAA==
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

2026-09-17T11:36:06.524515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031397
observed 3636b8c934aa6e539da1d33da1c3f4b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.506497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031397/manifest.json
observed b6dcce954d1978d74b4e4bd69aabda2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.489761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031397/publication.md
observed bc717fb4b040eca4d33d59b825919a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.470644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031397/publication.txt
observed 56616639d748108b59d6bddd1bc9413b...
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.