OpenTechnical

OT-2026-000080693

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000080693) never changes.

Identity and time

Publication numberOT-2026-000080693 · never reused
Internal UUID01a0ae96-b973-730e-ae66-72641a48d80d · 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-2026-000080693
StatusPUBLIC

Content hashes

Canonical texte8858592379f1e0e638d097acc82cdd73151a5161e1dd1fbeedbd7b7c0ef9102
Markdownf0a53989fce7623571e7b2bed4d5968a2c82c6069cb05aec57a83d264d26c81b
PDF
Publication page599e175b512c5253871d7e927b6024eb3aabf2a724b78ace053505572c1cef53
Manifest17f04b0a6111437e16dc6dbf069d307630dda976cef25df6b6358173741e99ef

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
SignatureJvqfiJdPP09Q/9mdVbGlrtF1kJb2qPFGmeBvIPCOpyx9WhOAzezYWeyf0KJHNsw6uv6Ibgz/0FsPlz31kI39Aw==
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

2026-09-17T10:01:43.562384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080693
observed 599e175b512c5253871d7e927b6024eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.545049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080693/manifest.json
observed 17f04b0a6111437e16dc6dbf069d3076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.527608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080693/publication.md
observed f0a53989fce7623571e7b2bed4d5968a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:43.509084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080693/publication.txt
observed e8858592379f1e0e638d097acc82cdd7...
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.