OpenTechnical

OT-2026-000081652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000081652) never changes.

Identity and time

Publication numberOT-2026-000081652 · never reused
Internal UUID01a0ae97-0f72-79bb-9d14-b5cc7109a07e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081652
StatusPUBLIC

Content hashes

Canonical texteb62e992b200917bf76474896e032416e942e097127081cfa2e1b6c602f01d2a
Markdownbac369bbf0c5ddbdc5213aef1559582acc14b6fda67cff4762c295948b2ac4da
PDF
Publication pageb2c5f40f6d19ae12c89d29c724291b1ad9a7950ace6be3b48ffef6b3cc68c969
Manifestf73281ee63b3a2289c976d79fd70383879cbf0a3a59ce1f2244d5e7bd409098e

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
SignatureVKpoa3TeIxyBExhURjzIiyKlBtjig9cF5x1aifzBxYFEMW8HRtF0gwZmxu40zF73XVO8+GP1/rQqsyD8sq5IBQ==
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

2026-09-17T09:59:42.353630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081652
observed b2c5f40f6d19ae12c89d29c724291b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.336169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081652/manifest.json
observed f73281ee63b3a2289c976d79fd703838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.318560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081652/publication.md
observed bac369bbf0c5ddbdc5213aef1559582a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:42.300758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081652/publication.txt
observed eb62e992b200917bf76474896e032416...
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.