OpenTechnical

OT-2026-000047937

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000047937) never changes.

Identity and time

Publication numberOT-2026-000047937 · never reused
Internal UUID01a0ae7f-c422-76f0-bddd-abed12cd724f · 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-2026-000047937
StatusPUBLIC

Content hashes

Canonical text8a6186e5dedb627617a4414ff6a7a7c9b5c29e79c48d337a4cb284ab9d1d068b
Markdown70c3a59d0925435087660fe1c224e28b172e707dea49fe515ef443044812d8c6
PDF
Publication page87fad358a56855cab8a351a05bfef92986196043f631cf18ad35470b50559c45
Manifestc10d7ea2a691022e5a0368e4a8d50149128ea33a4a88fad027accfb21e9ef653

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
SignatureKeWCzq4/zKhb/AjBEzwxUJKdpNx6kfR0SEiZq5IFIX0fBlBnXo+LLjXIlYl1NiRo0+NDhTdyodLhRs3p8KjGCA==
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

2026-09-17T11:05:54.089816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047937
observed 87fad358a56855cab8a351a05bfef929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.073029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047937/manifest.json
observed c10d7ea2a691022e5a0368e4a8d50149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.052305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047937/publication.md
observed 70c3a59d0925435087660fe1c224e28b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:54.032434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047937/publication.txt
observed 8a6186e5dedb627617a4414ff6a7a7c9...
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.