OpenTechnical

OT-2026-000087082

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, sustained blow-off before 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-2026-000087082) never changes.

Identity and time

Publication numberOT-2026-000087082 · never reused
Internal UUID01a0ae9a-9f2d-7e2b-a14e-48f1273bb958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087082
StatusPUBLIC

Content hashes

Canonical text2689793b856641122f9db160cbb60f53cfe8d7ab4b46ec32791706116873a42f
Markdown3a6b168cf755c735c5c1e8fe1d4d499a6c8c2ac03c990c986d59d3eba4c69087
PDF
Publication pageb7aef1e2c179eb6caf4ca7be4f6b17f03c395b521f908e91578aadd173de0a3e
Manifest7b09b1df877a6fd170b4d12d09d92477bdeef2bf86521c1ca90ba6328110f822

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
SignatureRoX3BPuXi6cpmO4jxGrmJdDDotp+IZnUr8GbG1FF+FV2PsZOeT5eTN/hmigrAHVKGcHeh4120Lv8zTN5vhvHDQ==
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

2026-09-17T09:51:20.014464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087082
observed b7aef1e2c179eb6caf4ca7be4f6b17f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.998095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087082/manifest.json
observed 7b09b1df877a6fd170b4d12d09d92477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.981791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087082/publication.md
observed 3a6b168cf755c735c5c1e8fe1d4d499a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:19.948205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087082/publication.txt
observed 2689793b856641122f9db160cbb60f53...
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.