OpenTechnical

OT-2026-000063074

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000063074) never changes.

Identity and time

Publication numberOT-2026-000063074 · never reused
Internal UUID01a0ae8c-94a9-7805-b511-ec754916fe21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063074
StatusPUBLIC

Content hashes

Canonical text23934f9890ff9e3d218fb0d70b8533fb6f9c8700c875d4ba191fe3cbe5312c1f
Markdown9a14096b5b7e1a188483bbaa19e7d17034dc9c11f3e46bf2711c457dee567947
PDF
Publication page91dba176413f61f9167bf7ab793d7d6dfacf6918647448d92af846d14102df43
Manifest96f493877b5dac01244313fcdff1b84403152da93de63f3283e83358de83d8ec

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
SignatureZq97UkILbVDR24gyW20WIst1M5n4tWAlqpE+CWmFTb3CENAJvvtyGzGUgRyp0ju/+Myg/mxtlpZp9j3pU7xUDA==
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

2026-09-17T10:38:50.535015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063074
observed 91dba176413f61f9167bf7ab793d7d6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.516177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063074/manifest.json
observed 96f493877b5dac01244313fcdff1b844...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.497384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063074/publication.md
observed 9a14096b5b7e1a188483bbaa19e7d170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:50.478567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063074/publication.txt
observed 23934f9890ff9e3d218fb0d70b8533fb...
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.