OpenTechnical

OT-2026-000049103

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000049103) never changes.

Identity and time

Publication numberOT-2026-000049103 · never reused
Internal UUID01a0ae81-134d-74bc-b3d3-c9d5a4f14925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049103
StatusPUBLIC

Content hashes

Canonical text1904f577c53ab84d7fc459bf269c5bd047fbe8d0965211551aaeb0b97aa3c71b
Markdown1a686cd077f5f77e607aa039b27815b1c3bb03a020c91bbe7ca15305956f6c7a
PDF
Publication pagea451946e3f4450880facd52ae9e0e00d4ef2b45ffdc720d05d68949e5c6c71a0
Manifest75d1f27b61b21c45802cc472bd431349549c8c4397ed0bdbf6dd255068d83584

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
Signaturek2abPaeyfAEdLLzpB5QS0f8LffQzOgTDlQBg4ZqaHxovNeMTrGfojlc3c/wNZu+GR/nORZOYSljZfCtr/RniDw==
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

2026-09-17T11:03:21.556337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049103
observed a451946e3f4450880facd52ae9e0e00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.535462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049103/manifest.json
observed 75d1f27b61b21c45802cc472bd431349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.518807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049103/publication.md
observed 1a686cd077f5f77e607aa039b27815b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:21.500790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049103/publication.txt
observed 1904f577c53ab84d7fc459bf269c5bd0...
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.