OpenTechnical

OT-2026-000044214

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off 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-2026-000044214) never changes.

Identity and time

Publication numberOT-2026-000044214 · never reused
Internal UUID01a0ae7b-d67b-7d2f-b869-cae8e90bf846 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044214
StatusPUBLIC

Content hashes

Canonical text6a4ed7777ee5b7b20a35e12cee6e57c80ca4caafe5c9825c95d21241d3dd0f4f
Markdowne389122d0ec9c7512bc9d210367e95efe182e745cc111a56813a5b4613966ffa
PDF
Publication page88487d18cacac98e77785f0785b9e0c5e24405cf984d5adf263fb8354992210d
Manifestc44c8f476bde57db9b91467cb2ccd20a9ccb99bb5327ec19a93151bebae1356e

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
SignaturevhKVTQ8tTCNV9bfjuWsryshM3nckBQFZ6t80VtbBD2k5veMCqhwwjpTS+TMn6AEdxRT6JF/NI9c7APS5DB6FCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:12:46.214064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044214
observed 88487d18cacac98e77785f0785b9e0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.194662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044214/manifest.json
observed c44c8f476bde57db9b91467cb2ccd20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.177568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044214/publication.md
observed e389122d0ec9c7512bc9d210367e95ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:46.160844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044214/publication.txt
observed 6a4ed7777ee5b7b20a35e12cee6e57c8...
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.