OpenTechnical

OT-2026-000015660

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000015660) never changes.

Identity and time

Publication numberOT-2026-000015660 · never reused
Internal UUID01a0ae6e-0c4b-7f7f-94ba-4b07ad337ca7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015660
StatusPUBLIC

Content hashes

Canonical text3d3549c01d508a13bb6fd6879e54b9e199ea28644413c21ad103172d6654e457
Markdown817999ee44cf375adef7c307622ef362d62a0dd200555ed8ffabc093b782f7f2
PDF
Publication page727dc4c8609418e930fe5a3e43f3316330976c7a30fc7700e0ee439008932735
Manifest3203207563103c7ff2212d4cc3f47f65fc5e6a7defd97be8d5e8ecaddf0b3b87

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
Signatureas5LlmpbAPAzN7VZfZIaS2EMja/WVpDWyx0wYQj1+26glXyCK+H6mYF6xm0AXXSWB98i2U5Fop/AAbVVofsHDA==
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

2026-09-17T12:04:55.326573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015660
observed 727dc4c8609418e930fe5a3e43f33163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.310543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015660/manifest.json
observed 3203207563103c7ff2212d4cc3f47f65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.291658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015660/publication.md
observed 817999ee44cf375adef7c307622ef362...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.274467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015660/publication.txt
observed 3d3549c01d508a13bb6fd6879e54b9e1...
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.