OpenTechnical

OT-2026-000081211

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000081211) never changes.

Identity and time

Publication numberOT-2026-000081211 · never reused
Internal UUID01a0ae96-f373-7edb-8114-e8dfb8a0e8b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081211
StatusPUBLIC

Content hashes

Canonical texta377e2136e54610c8d63b144dbbb4451fdb22ee313f6c0239bfa2e3594c141c7
Markdowncce56d3167a6878b05482cbd336cc8d7f128d3daee2555789beb1457fa0c1434
PDF
Publication page596c477f0b2cce3977f29425ec7bd2933f2632da09a91562860950f5e201742b
Manifestf5d6c545dd56dcc6a5eb96412f449e9646a6b8fcc31873c41d74594f415f7a55

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
SignatureHrJL2I602z+qemvKTXIrB0CjtiquHEpDlmpwzEi+angDW/SfouabK4nXqLyLgpCKmHgIlv1ewl97xnAmqMU6BA==
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

2026-09-17T10:01:17.370541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081211
observed 596c477f0b2cce3977f29425ec7bd293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.350351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081211/manifest.json
observed f5d6c545dd56dcc6a5eb96412f449e96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.330306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081211/publication.md
observed cce56d3167a6878b05482cbd336cc8d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:17.310090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081211/publication.txt
observed a377e2136e54610c8d63b144dbbb4451...
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.