OpenTechnical

OT-2026-000062045

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000062045) never changes.

Identity and time

Publication numberOT-2026-000062045 · never reused
Internal UUID01a0ae8b-b8af-70d0-b1bb-8014f7ef9ee9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062045
StatusPUBLIC

Content hashes

Canonical text866e497570d19290cbb935984aae7aee36d85ddaee11ad5cfadc451e4d6ff3a7
Markdown1c201ff95435cd17039c2159387fb4c0e8ec02211d409a30fe9a59e16de58239
PDF
Publication page5a0cf48403bd95a6d1bb28095caf08e592d9733a7d6d4489bfc383e582046c08
Manifest82e2ea4f98918bbf27ef87ab86e0500d025f300331201acc03584a6fade7b646

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
SignatureUgEgKgMX5Bc0rDZU5RSoCM1z83WV1S3fYIrJ5reAMyTC1fGRNfiDI+77cRsmJkPYidbmwvSqrKkZuOf/sAbNAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:05.147713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062045
observed 5a0cf48403bd95a6d1bb28095caf08e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.130113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062045/manifest.json
observed 82e2ea4f98918bbf27ef87ab86e0500d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.111011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062045/publication.md
observed 1c201ff95435cd17039c2159387fb4c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:05.092612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062045/publication.txt
observed 866e497570d19290cbb935984aae7aee...
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.