OpenTechnical

OT-2026-000048739

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000048739) never changes.

Identity and time

Publication numberOT-2026-000048739 · never reused
Internal UUID01a0ae80-c32c-7719-bf23-2f75e64e8f36 · 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-2026-000048739
StatusPUBLIC

Content hashes

Canonical text0bda74145e1befc7cb5344949f3559c10286d7218de2eef7f479fe062dcd9324
Markdown4bd321cd639479fd7267796b2afd2fb6572b9c92c7881c133463e8ed41216612
PDF
Publication page17a031bc8216ac2b0f4ab7bef2126101a57ba5048ce9cc76c4584b9797cd6429
Manifest98d4bd8fdbd7cb564541c533f1c45ffbe0290839c00d1daf23ce74af624fc9f8

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
SignatureuSqnTexBuDJDpd68VzR/+eGOHNwD9avDv06sdl0ewoGuO4TtDhi+RLIupvHLxGKyAP3FIQvKM25aBzqVuNxeDQ==
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

2026-09-17T11:04:23.640403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048739
observed 17a031bc8216ac2b0f4ab7bef2126101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.604713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048739/manifest.json
observed 98d4bd8fdbd7cb564541c533f1c45ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.586368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048739/publication.md
observed 4bd321cd639479fd7267796b2afd2fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:23.566069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048739/publication.txt
observed 0bda74145e1befc7cb5344949f3559c1...
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.