OpenTechnical

OT-2026-000095644

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000095644) never changes.

Identity and time

Publication numberOT-2026-000095644 · never reused
Internal UUID01a0ae9f-fac4-7a37-994c-193c830e90bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095644
StatusPUBLIC

Content hashes

Canonical texteecffcb34a9914bac4c5f6d1feb40f313b426e835d957d7c2bb60f7ec455e272
Markdown81e992326a4eca118b5a80efe5b72cfe9fc0a8d3b94a2f0c7e8303e5656be587
PDF
Publication page63a65de3f23832436d499fe706717c21dc1e64a2c7c25837c0728765db79d7c9
Manifest81ea78af9c8d4114f4556cc21ceb36304d40449436003a753b883c2d5ab49a58

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
Signature8HuVuNFL3tr27C72CXYpHFVGP7C1VkFJGfqzdxcUJY6aXIp1XGJc8e9AnFd/ZK2Hll6wIDLa3jiY873jywaLAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:06.640670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095644
observed 63a65de3f23832436d499fe706717c21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.620388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095644/manifest.json
observed 81ea78af9c8d4114f4556cc21ceb3630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.603817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095644/publication.md
observed 81e992326a4eca118b5a80efe5b72cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:06.584201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095644/publication.txt
observed eecffcb34a9914bac4c5f6d1feb40f31...
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.