OpenTechnical

OT-2026-000039628

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000039628) never changes.

Identity and time

Publication numberOT-2026-000039628 · never reused
Internal UUID01a0ae78-d8d4-7326-8957-b7e64dbad78a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039628
StatusPUBLIC

Content hashes

Canonical text6b5361b4b2a21f02f41dfa4afc59d33162315a623ac52d8beae58a2ed84672b2
Markdownab76e311ae8d90e8ef1b77cac257b12bd4d33d655a1342ab75b1c0465d3fc9ab
PDF
Publication page5a3b012a481257aa2bcd31c7906d7d25117fb97a8064c35f26e36be2dfe8d56c
Manifest4b29d1d73f402209b02b9da24f94f45566eab610de2e090ae30ace5b9398e88e

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
SignatureCRwTOjCjC4ENt9hmZdWSgPH58GGRtMFAhL2eyjdFzuOZiTPesAOFe+5S3RrptU2/fYrU9DRv3U0dKQQAbMlMAw==
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

2026-09-17T11:19:48.013881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039628
observed 5a3b012a481257aa2bcd31c7906d7d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.994577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039628/manifest.json
observed 4b29d1d73f402209b02b9da24f94f455...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.976506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039628/publication.md
observed ab76e311ae8d90e8ef1b77cac257b12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.958841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039628/publication.txt
observed 6b5361b4b2a21f02f41dfa4afc59d331...
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.