OpenTechnical

OT-2026-000080770

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000080770) never changes.

Identity and time

Publication numberOT-2026-000080770 · never reused
Internal UUID01a0ae96-b974-73d4-8cbf-e204a1a257de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080770
StatusPUBLIC

Content hashes

Canonical text051025cfd15d50b55553db5e5b050b05e2dd2b1280baaff416d2bc124e313bc6
Markdownfcb89e42cfadd1d9a32f857946b79b53ffc47f741deffe865ad0a72eb6367138
PDF
Publication page5031ed8048103a3c18a781b8f8e4171e677454a4ee19a9e46c28a698c2cacf68
Manifest475ab4ad1d62d33429c9f615192fd47c8f5f6ad355f6d99ed5e73f79f241fcde

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
Signature8nNxk8rarp5XHT7aJ2H3v0DI2w54WlcP6fu2mAS+txGl2d2lHDPD4GqweJH3HTd42OY0CI/vrTCMqiYF/ZuNAw==
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

2026-09-17T10:01:56.224168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080770
observed 5031ed8048103a3c18a781b8f8e4171e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.208599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080770/manifest.json
observed 475ab4ad1d62d33429c9f615192fd47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.191112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080770/publication.md
observed fcb89e42cfadd1d9a32f857946b79b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:56.172975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080770/publication.txt
observed 051025cfd15d50b55553db5e5b050b05...
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.