OpenTechnical

OT-2026-000034327

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed 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-2026-000034327) never changes.

Identity and time

Publication numberOT-2026-000034327 · never reused
Internal UUID01a0ae75-df0e-7a09-93c4-37986a32c61f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034327
StatusPUBLIC

Content hashes

Canonical text2f20f7b6010984179a0bbc20bf1be67d26dbe52e78009f265ee7dbe5f3cbbbf9
Markdownc445204603a3f36f39a3c1ae3b7a75eb084c4c03ca2a979ce3df5e3a0b59d68e
PDF
Publication pageed08a30f1ab2432e8de0bb09c28580a7a14e47ea2046245cd66184699fe5e773
Manifest9e37707121571568880cbb871ff2978c7c3bd35ff1776f2eddf6abebba7941cc

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
SignatureROhieeuNGYX2wEHDFd19w1d/cw7S2C7LD5enGkfmwwRgwpXSV+17hj7DAZZuqHwTYuNXXaerLqwBelw5RUe4Cg==
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

2026-09-17T11:31:01.347293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034327
observed ed08a30f1ab2432e8de0bb09c28580a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.330025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034327/manifest.json
observed 9e37707121571568880cbb871ff2978c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.313499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034327/publication.md
observed c445204603a3f36f39a3c1ae3b7a75eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.291443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034327/publication.txt
observed 2f20f7b6010984179a0bbc20bf1be67d...
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.