OpenTechnical

OT-2026-000048813

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000048813) never changes.

Identity and time

Publication numberOT-2026-000048813 · never reused
Internal UUID01a0ae80-c32d-7ce2-850d-441066f855f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048813
StatusPUBLIC

Content hashes

Canonical text774ec515147a1fe0473c1f0b9b97cd9ff72783f2bbfafa8cbc5e4d996594f4dd
Markdownb8d0215214839101892f4c5181a463cd5f098bf5509665c7f1a62c9ce0e49a02
PDF
Publication page9d5507f01591b84991b83cd29da50b9b9ddcd1a457d0ba042fffa091b058ea90
Manifest1df59ba60cedfba8fff62ab97fd307d271898ad3ca8c91b39fcb3a6901d23e2a

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
SignaturegwtR2byVUJCrScm9ZdKGZyYQapm0d54FpOuByWYdOt3SL+7wgX/7xdys+qx+1anaIOiAKieER9Llhj6CUq36Dg==
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

2026-09-17T11:04:32.301460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048813
observed 9d5507f01591b84991b83cd29da50b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.279931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048813/manifest.json
observed 1df59ba60cedfba8fff62ab97fd307d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.252419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048813/publication.md
observed b8d0215214839101892f4c5181a463cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:32.225641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048813/publication.txt
observed 774ec515147a1fe0473c1f0b9b97cd9f...
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.