OpenTechnical

OT-2026-000068818

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000068818) never changes.

Identity and time

Publication numberOT-2026-000068818 · never reused
Internal UUID01a0ae90-6dcb-7f23-a1f6-59789faca88e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068818
StatusPUBLIC

Content hashes

Canonical textb194c2cacacce8ad0c16acaefc7e0ddbe0e4dccbd588171fdc963bd536e51a4a
Markdown9f9e01d14b0e986aa18d67b81ee25c9617d84d91f30b361e38c0a7069b7407e7
PDF
Publication page0535cfd2557ba22ebc234acd7ec429f1f5b7aa916ee9b489e332b7ec116b3e6f
Manifest219cacbfa7060329862603f029ad86701f7fff4d6e97eb960045da747400531b

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
SignatureoxW2JP/kz2IP8qahOIggfRkjUx8gNVC+FCq34bBCBtlEpM3oGxp9Zd+7jKrBppO9tciqFvNxsrGQdNBAcaV4Bg==
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

2026-09-17T10:28:37.201690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068818
observed 0535cfd2557ba22ebc234acd7ec429f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.185440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068818/manifest.json
observed 219cacbfa7060329862603f029ad8670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.168284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068818/publication.md
observed 9f9e01d14b0e986aa18d67b81ee25c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.151614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068818/publication.txt
observed b194c2cacacce8ad0c16acaefc7e0ddb...
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.