OpenTechnical

OT-2026-000026493

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000026493) never changes.

Identity and time

Publication numberOT-2026-000026493 · never reused
Internal UUID01a0ae71-f4a8-74fc-aec7-d4fdbcb72b6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026493
StatusPUBLIC

Content hashes

Canonical text1cab7a23ca1cda5547e2d7408645642082536b807660f246dd0eadb8e440957d
Markdown5c6fa797dbb006086bec61e711ca2cd3a886a1989666db3f62a2c0123d5a8d31
PDF
Publication page124a26a8f5f3e27a21b6715b641d3a7fa4bdae3c0e59b73bfd9f34b00ef282cc
Manifest3a24363205431a233e49ccf15c8bb22c05e9ad244ad0342bd372c401625eef9d

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
SignatureyP6isoe2IPBD8ugTC3XgHQq9VRNG5w4eg8LodJbPptLAl6dYga/NYnWRzBXpzY+dTs0OiuqaMsRLwGrDAxCTAA==
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

2026-09-17T11:44:37.194968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026493
observed 124a26a8f5f3e27a21b6715b641d3a7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.178512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026493/manifest.json
observed 3a24363205431a233e49ccf15c8bb22c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.161754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026493/publication.md
observed 5c6fa797dbb006086bec61e711ca2cd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.146411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026493/publication.txt
observed 1cab7a23ca1cda5547e2d74086456420...
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.