OpenTechnical

OT-2026-000101139

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000101139) never changes.

Identity and time

Publication numberOT-2026-000101139 · never reused
Internal UUID01a0aea3-c378-7dc8-8816-fa037201f4b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101139
StatusPUBLIC

Content hashes

Canonical text1a252e208f079e301e81006de4414207b67eebf2222704fd7d2eeea0f59de0f4
Markdown183039e69c42e5413a637a6a32367f0892eeb3a4a7b970eebb722bf0b4f8aec3
PDF
Publication page6724b139fbceb060e440b7953f124832f43bc9199f9a4ffaa58b211857faa9f2
Manifestb358be4cbf831576e3a169c74e648730ff52f3a654f2e92ac25e9d1d31f2e2d2

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
SignaturePNrKdv5+cr6eNtk+iHHrPbSaxtgNXZEChvz4qAdkjDwF4/cItUqb7GUn5XMouSEOotQpeuPglgvSWn9UJtjJCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:46.296372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101139
observed 6724b139fbceb060e440b7953f124832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.278248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101139/manifest.json
observed b358be4cbf831576e3a169c74e648730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.260286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101139/publication.md
observed 183039e69c42e5413a637a6a32367f08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:46.239812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101139/publication.txt
observed 1a252e208f079e301e81006de4414207...
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.