OpenTechnical

OT-2026-000062138

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000062138) never changes.

Identity and time

Publication numberOT-2026-000062138 · never reused
Internal UUID01a0ae8b-b8b0-7710-9d35-0a7fada92e23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062138
StatusPUBLIC

Content hashes

Canonical text5375355cf13bb68ec0b60438e69eef198c3170fb3917db04599900f7418f9f0c
Markdown3cd53dd4c0946a18427cd34fbaad7716646628ae636f7ed62df0e9fa9f09bbb2
PDF
Publication page14eeba739f55f75cb95c7c79a70f20323ac11f9d371e844ae46a37890f06472c
Manifest930525388df17b532ad9854e8627eb998957b5bc653d04020747a9b2d812c612

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
SignaturePAD30szDEX0QbQ2S5yps2P0IJ1HvUdDGtos261OGBhr1LrE4p65OZmmZnF72O608Fh71WQXitKkSyPfP+PvmAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:12.346749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062138
observed 14eeba739f55f75cb95c7c79a70f2032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.328854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062138/manifest.json
observed 930525388df17b532ad9854e8627eb99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.309764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062138/publication.md
observed 3cd53dd4c0946a18427cd34fbaad7716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:12.292292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062138/publication.txt
observed 5375355cf13bb68ec0b60438e69eef19...
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.