OpenTechnical

OT-2026-000078180

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000078180) never changes.

Identity and time

Publication numberOT-2026-000078180 · never reused
Internal UUID01a0ae95-7c26-786b-8aa0-20b245a9b35c · 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-2026-000078180
StatusPUBLIC

Content hashes

Canonical text76e293d77551c5ff281716f20c3a51683213bed7ba71e7bc33aed6eeff237462
Markdowna1e169b90317a285ef0987b63f564acdb9c5259e40061e2e00be44bebaba7a28
PDF
Publication page1ff187d808ba8e92943181268af83971fec2a101d59c059c5ee113d154b5491c
Manifest3ae4d6a0500a9eb01384fe194fd83facd48fff8da94309fcf0015ee09a087619

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
SignatureG4bM6xkJhggwtsQL5t3Iy56BgpSNAuI9jU7DCXy9K9znhQQclo5mPvvvGGkql21hw8/tNqX0+5ZiZ7X+jrNzCg==
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

2026-09-17T10:06:02.841751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078180
observed 1ff187d808ba8e92943181268af83971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.822582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078180/manifest.json
observed 3ae4d6a0500a9eb01384fe194fd83fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.805318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078180/publication.md
observed a1e169b90317a285ef0987b63f564acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.786587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078180/publication.txt
observed 76e293d77551c5ff281716f20c3a5168...
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.