OpenTechnical

OT-2026-000089459

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089459) never changes.

Identity and time

Publication numberOT-2026-000089459 · never reused
Internal UUID01a0ae9b-db02-7bd5-b2cc-ca7808ce653d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089459
StatusPUBLIC

Content hashes

Canonical textf775bc0a276ed4f2c54632c4bcd869ee692c1acc8cf733fa1205e88abfc88f19
Markdown057f69c49b672f39b666a16c90aa86aafc8702d53e8e537d714e35ac72a83461
PDF
Publication pagedbda8203f8a0151201dcdff989c2e6a40953f23e12611b15995de6b293cb0c85
Manifest5ffcb26ae96cd157ca8a4b8245db3a7c02c61b77686f946e86a91be9416a5bb3

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
SignatureMYGFikyi6EZoJgWdAI5cBnUrl+V4HCutiTN/+wAQdoNnMLDYT0aN41V3eQe+sMw4FAaXMcLs2Mll2ZILaxIEDw==
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

2026-09-17T09:47:36.475307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089459
observed dbda8203f8a0151201dcdff989c2e6a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.458846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089459/manifest.json
observed 5ffcb26ae96cd157ca8a4b8245db3a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.439519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089459/publication.md
observed 057f69c49b672f39b666a16c90aa86aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:36.423438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089459/publication.txt
observed f775bc0a276ed4f2c54632c4bcd869ee...
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.