OpenTechnical

OT-2026-000069878

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, vented 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-2026-000069878) never changes.

Identity and time

Publication numberOT-2026-000069878 · never reused
Internal UUID01a0ae91-1860-7282-918a-8e577d6b76de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069878
StatusPUBLIC

Content hashes

Canonical textb85583ef3a4a844bca6344977a05f26251564ed03440b4e22d5dc3f66270ded5
Markdown901be65e47a13ecd10529217107f1acf025cd2bcb20dac55a543b955e7d5b37a
PDF
Publication page9a0aec54dedf5a1a5d2b4a3745e2efe5de982ae8cd93a1675ef8174384ea8fb9
Manifestdc939fd2717a534e66dd5091976b9ab5744e8c9615b141c14c01a9adab545ba4

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
SignaturePhSBb+HLSR3KSqYsRoK4DkVbwjwEL3D/P+t7AXtgSfXxx8PKYa+NQedSGfDGhTL/we7OpnkRHbMCP1sYsPA+Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:42.500422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069878
observed 9a0aec54dedf5a1a5d2b4a3745e2efe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.484996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069878/manifest.json
observed dc939fd2717a534e66dd5091976b9ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.467883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069878/publication.md
observed 901be65e47a13ecd10529217107f1acf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:42.451177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069878/publication.txt
observed b85583ef3a4a844bca6344977a05f262...
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.