OpenTechnical

OT-2026-000068084

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000068084) never changes.

Identity and time

Publication numberOT-2026-000068084 · never reused
Internal UUID01a0ae8f-c4fe-790d-b1aa-ad9198295f48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068084
StatusPUBLIC

Content hashes

Canonical textd6ab2e0bddb950e95bf31f72b87eccbcabf52bf967a35b718b848f23f0d146ad
Markdowna6ab2ef56ca984ddb702f192015b76258ca93e286f13a8eabb4f6b30b2a18920
PDF
Publication pagecc043133444229d5e58b18e573c20eb290bb620ef27f6e5afb86de20ef2d9ea4
Manifestb34e83c797cebe07e70d3712f27a570c1fabce353f93a146b47484864ea1e5bf

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
SignaturelPD/4jsfPWffPQ63sIGIfGqGDHWrCW9M5fPEd/FpJUMScUtk6ZQ8B6Di15Ij6KYWiCP4IMlkQIYgSKXnr/QRCg==
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

2026-09-17T10:30:40.618747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068084
observed cc043133444229d5e58b18e573c20eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.600228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068084/manifest.json
observed b34e83c797cebe07e70d3712f27a570c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.582412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068084/publication.md
observed a6ab2ef56ca984ddb702f192015b7625...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.563311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068084/publication.txt
observed d6ab2e0bddb950e95bf31f72b87eccbc...
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.