OpenTechnical

OT-2026-000008634

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000008634) never changes.

Identity and time

Publication numberOT-2026-000008634 · never reused
Internal UUID01a0ae6a-e46b-7b79-81c6-a19f2f1df77f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008634
StatusPUBLIC

Content hashes

Canonical textabc8d0f6876a5b381293f2244ad614de0268d032391c6a5ea0ec7e4adc8fa434
Markdown68ed008bb4e577d5b13d2beeb54a8e33fb97e15a181b5d6d1e2d417458841b24
PDF
Publication page8ba483609a81a733869748927163ccba542f23bffda6e664093ea9d9f62f307f
Manifest19d46eaaa2f38bc98a5afc1ca8632dfdc74745ff5d793ed4c46dd6a14ac82631

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
SignatureHIDRMSNxMDbYIym4oIjsCuDOGu2gxWz2s34sE9sPZfTS1+STCwZPW9VyX4Z7eZh/ZGTAge7aaNDP+hyoV5PQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:36.060099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008634
observed 8ba483609a81a733869748927163ccba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.040961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008634/manifest.json
observed 19d46eaaa2f38bc98a5afc1ca8632dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.020629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008634/publication.md
observed 68ed008bb4e577d5b13d2beeb54a8e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:36.001899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008634/publication.txt
observed abc8d0f6876a5b381293f2244ad614de...
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.