OpenTechnical

OT-2026-000047837

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000047837) never changes.

Identity and time

Publication numberOT-2026-000047837 · never reused
Internal UUID01a0ae7f-c421-7ad7-88f0-8498ee57b9f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047837
StatusPUBLIC

Content hashes

Canonical text0bdf3d494cea354500a9416fcd00b341695e52d4c3891e4986da2812712c709a
Markdown79c5242315eecca01c598bbaa0dce6c45480ec3f778f1e3b5e8daf661d65fb48
PDF
Publication pageedfb8bee009f5e57515967d42fa034cd793b11ef0a7319193cea6d3fa9a9a1ff
Manifest608d640c6075aefe5248ea559b04e2044343ede95152023d94784a247ea7b2a4

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
SignatureCJAipNOT3LXtLfUN4pyxqHOLDlQG7+L0bJ0lAhdbUMEHbwCrAs5Z/LLVIvWbNr4uBp0pXp/D/K811xM6Of5nCQ==
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

2026-09-17T11:05:45.152888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047837
observed edfb8bee009f5e57515967d42fa034cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.132543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047837/manifest.json
observed 608d640c6075aefe5248ea559b04e204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.114271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047837/publication.md
observed 79c5242315eecca01c598bbaa0dce6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:45.095836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047837/publication.txt
observed 0bdf3d494cea354500a9416fcd00b341...
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.