OpenTechnical

OT-2026-000081497

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000081497) never changes.

Identity and time

Publication numberOT-2026-000081497 · never reused
Internal UUID01a0ae97-0f70-7571-8e21-2e539cf2d3b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081497
StatusPUBLIC

Content hashes

Canonical textde92add54bc76710af0f7d9fbd16244c5d6e3ce7ce331b58b44ac8ad378cea03
Markdown17b9d60745749731d6331543ca003a4a3538d8bf19ec322e0380f0fd87efb2cc
PDF
Publication page09ac2b2c67e28ed34b2abb9543a04343771a4990739cfbd91ef318c11c65b361
Manifestef51829b6835d970cd7f9486b3cf15ce072ddc24ae05fee3c01f993cdf1c2600

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
SignatureZunEY3nmi5nAuAmBfmrWsUM3fo/p24oPJgZkSkOmcI6BKW6GNV9tQp2aAdxMIDGEN1ljM4HtaFpkg9JIZFBMBQ==
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

2026-09-17T09:59:30.571493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081497
observed 09ac2b2c67e28ed34b2abb9543a04343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.554239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081497/manifest.json
observed ef51829b6835d970cd7f9486b3cf15ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.535494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081497/publication.md
observed 17b9d60745749731d6331543ca003a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:30.518517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081497/publication.txt
observed de92add54bc76710af0f7d9fbd16244c...
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.