OpenTechnical

OT-2026-000085643

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000085643) never changes.

Identity and time

Publication numberOT-2026-000085643 · never reused
Internal UUID01a0ae99-aaad-7d9e-a846-a04abb2af835 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085643
StatusPUBLIC

Content hashes

Canonical textd9b81b34f9f26e9b861d77a13b9a753f3de70ed43dfa31222316293a6bc5c450
Markdown54a232f47f2067492d68cf9f66f33b3f123b329a787d940ca41a988717e39b40
PDF
Publication pagec6bc45babfb873032273d4bda83d0a79c0e548ac4c3a02b5eed283a22bc16dd7
Manifest483d6502d2d98d4f21e745e2c3327b27591eb804bcf4c871e6b4e392b5718ede

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
SignatureCyjFLUFtsB+lI+mNJ1BZa0e8m8iVC5uWQPt2WmeTZHBIamLybinyt2zzfCYB4ER4dQAkOxfYC6hOGQhAQlNyCg==
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

2026-09-17T09:54:31.814995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085643
observed c6bc45babfb873032273d4bda83d0a79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.797568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085643/manifest.json
observed 483d6502d2d98d4f21e745e2c3327b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.780684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085643/publication.md
observed 54a232f47f2067492d68cf9f66f33b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:31.762204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085643/publication.txt
observed d9b81b34f9f26e9b861d77a13b9a753f...
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.