OpenTechnical

OT-2026-000089139

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089139) never changes.

Identity and time

Publication numberOT-2026-000089139 · never reused
Internal UUID01a0ae9b-db00-70b7-b9f5-6c6b5b0e42a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089139
StatusPUBLIC

Content hashes

Canonical text8714f6fd7f4afda9976b58452f62d38e12a0b706fd8f11b538624d304c18da19
Markdown9ea5ac1ae8939684512bd4ff23ba4e59a6bec82687b84d32f1e5d46bdfb17f1c
PDF
Publication pageaec6219c35a9c678330016087917a0c5e581a6ca335f8f66c8e0d955c5fbb643
Manifestbd7c7b33b68674ebe9289fa4f18549be659e6c39e6f9641acda914f738642240

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
SignatureuiFMMdQGXnGifxiUI37qF2iff65/3AZYScifAkCackKJqfatIlgOjXExjUl6M/K/oB6I3mLihxfayulw+XelDA==
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

2026-09-17T09:47:03.476258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089139
observed aec6219c35a9c678330016087917a0c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.458707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089139/manifest.json
observed bd7c7b33b68674ebe9289fa4f18549be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.440742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089139/publication.md
observed 9ea5ac1ae8939684512bd4ff23ba4e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.424159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089139/publication.txt
observed 8714f6fd7f4afda9976b58452f62d38e...
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.