OpenTechnical

OT-2026-000078241

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, 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-2026-000078241) never changes.

Identity and time

Publication numberOT-2026-000078241 · never reused
Internal UUID01a0ae95-7c27-75b9-8158-a56e50aecee1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078241
StatusPUBLIC

Content hashes

Canonical text0471ea42ad31ec7baddcf07ba088301b78b0b4596a383abfd23bf72564c3d45b
Markdowna13d423e5f89158273e8262e7935393e5e8632bca267228a92b6e3017416e57a
PDF
Publication pagefc7330639f82f10740ad4dd4d7fac35f097618717ed51d2e7e2fc41b54227b32
Manifest028e4daaa3cbf1f48860184ca1ea72856959847a81d5d203c621bfd0634bd408

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
SignatureAhi53nzI5MVRG0NK8DU6tYaKlo0ChaVckYYzHwCDdr3lBaMtRD6nCmt54ayNsqnhw5TXunccTq2xx+jXFAxnBw==
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

2026-09-17T10:06:11.428831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078241
observed fc7330639f82f10740ad4dd4d7fac35f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.411658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078241/manifest.json
observed 028e4daaa3cbf1f48860184ca1ea7285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.394544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078241/publication.md
observed a13d423e5f89158273e8262e7935393e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:11.377204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078241/publication.txt
observed 0471ea42ad31ec7baddcf07ba088301b...
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.