OpenTechnical

OT-2026-000086830

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, 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-2026-000086830) never changes.

Identity and time

Publication numberOT-2026-000086830 · never reused
Internal UUID01a0ae9a-80a4-720d-aa1d-b51f7604da59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086830
StatusPUBLIC

Content hashes

Canonical text7d7ab918bd9604b276f14ec6ae3e7bfbbd7c6c54be060f1fcf923387d6fca9ac
Markdownec7afe04f064f971d9b4b1ed2073a5c737f586f8de704e027f1a338e76d19f4e
PDF
Publication page0742b1412e4ee575d2d62df3f19b155d182d377d0fcb495781237780df682394
Manifest097af07d5b3e97f5388746b6f449f58d4bf1aefd54b7e955168b2f39c12cc04b

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
SignatureiWiahNU182mBhj1eTJzabvhYkEdskvDnvvLySVIgzaR0Pdam562md0FvNfrNTm6IxWTuf0T+PlWcBG9l8lAgAw==
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

2026-09-17T09:51:39.461439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086830
observed 0742b1412e4ee575d2d62df3f19b155d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.444392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086830/manifest.json
observed 097af07d5b3e97f5388746b6f449f58d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.425446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086830/publication.md
observed ec7afe04f064f971d9b4b1ed2073a5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:39.407393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086830/publication.txt
observed 7d7ab918bd9604b276f14ec6ae3e7bfb...
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.