OpenTechnical

OT-2026-000078270

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented after set-down

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-2026-000078270) never changes.

Identity and time

Publication numberOT-2026-000078270 · never reused
Internal UUID01a0ae95-7c27-7092-bf09-7114ff9cbc36 · 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-2026-000078270
StatusPUBLIC

Content hashes

Canonical textd3ed2f28646e3ed801944a3bc619fa5b5b17c943c2fba8a1bece24a89c9caa89
Markdowncdf6e2ca38a6bbf7d60825c0c48c0ff671429fa3114bb766f4b43c8c188c6f12
PDF
Publication page5d5e416df5577fae713fdcbd4f38607b1b5319c19620b324e955424658021f3d
Manifest0782f2887a2846c1b6aa3fedd0188b8a35bf973f983a74dd53394dfbe1a58939

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
Signaturel+NkRk5Oz2XYjguQZLFnH1G+JUCMzwNX32VnGtRqD5W3yiHWRey6NpUGmACA8TdGGKmyRIQJuy9pYKJoC7N8Ag==
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

2026-09-17T10:06:01.073930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078270
observed 5d5e416df5577fae713fdcbd4f38607b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.054654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078270/manifest.json
observed 0782f2887a2846c1b6aa3fedd0188b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:01.002940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078270/publication.md
observed cdf6e2ca38a6bbf7d60825c0c48c0ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.900183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078270/publication.txt
observed d3ed2f28646e3ed801944a3bc619fa5b...
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.