OpenTechnical

OT-2026-000050531

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000050531) never changes.

Identity and time

Publication numberOT-2026-000050531 · never reused
Internal UUID01a0ae82-5c49-7558-9781-01b63fd0389b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050531
StatusPUBLIC

Content hashes

Canonical textee13164043c00e92bbb48a3d1a0067f7fd9227e18bdba15d83da1d2868539d36
Markdownb2182aa0e26c32e96ae762e4399a4a9a0ed7cc93e922a6204a55f11a2a4fb962
PDF
Publication page26d8d7e8e8cc147999161cb2dfce9988bc938d9b0e16fa99268a66dd1e71499c
Manifest94cafd4b90803d3becea6ad3646fa31a5708c694f0e6e2912a8bb499ab7d36fc

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
SignaturePIPpKrqYTScwgpa72wVTIJvA1RNHnavWRB9v8clCq4gSxFId5I2YSL3O07GrmVdL6FENbNqN07plNlRfu5WvDQ==
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

2026-09-17T11:01:37.580004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050531
observed 26d8d7e8e8cc147999161cb2dfce9988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.563224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050531/manifest.json
observed 94cafd4b90803d3becea6ad3646fa31a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.546885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050531/publication.md
observed b2182aa0e26c32e96ae762e4399a4a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.531519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050531/publication.txt
observed ee13164043c00e92bbb48a3d1a0067f7...
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.