OpenTechnical

OT-2026-000034608

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000034608) never changes.

Identity and time

Publication numberOT-2026-000034608 · never reused
Internal UUID01a0ae76-1ed1-71d3-833e-2b3d20037f96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034608
StatusPUBLIC

Content hashes

Canonical text99b7e8519f588b69d8cb040d4ad252e119d2fbc595c64e39ed87d1f958501863
Markdown5cf81eb302ff21319eb075b9a1465c6ac10cf7cdd68529b095f3323ce2592956
PDF
Publication pagee390bb742e533b11a205c55ba134662936852629553728bcaac03bb2851858f5
Manifesta4eab26a1239f386a4a9ca40fc168bbe63c915899a2093a2881849c69b582631

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
SignatureOJ74s/zvzbagTu/MrFl3Yb2EtHw21bVNM8AFJTiTtSsCmlO2TDhx+Ye4wOXg5BFfI81BJbu3o0BZL7hFhlpQAg==
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

2026-09-17T11:28:59.316518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034608
observed e390bb742e533b11a205c55ba1346629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.298676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034608/manifest.json
observed a4eab26a1239f386a4a9ca40fc168bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.282801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034608/publication.md
observed 5cf81eb302ff21319eb075b9a1465c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:59.265184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034608/publication.txt
observed 99b7e8519f588b69d8cb040d4ad252e1...
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.