OpenTechnical

OT-2026-000081033

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained blow-off before set-down

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-2026-000081033) never changes.

Identity and time

Publication numberOT-2026-000081033 · never reused
Internal UUID01a0ae96-b976-7029-921a-58d3b1fe46fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081033
StatusPUBLIC

Content hashes

Canonical text168c56a63df70cc32f4dd6126322682da6f3e28a8a154227355968069fd74c49
Markdown1bae47d100441c4651231165b5428f3f6f0f7749b9a380ceecff4494050a5593
PDF
Publication page300bcacbeec31236425933bd4d8ba931088ed0b1d562b650cf883dab5bfae1c4
Manifest5ec39967753be27436bd986f3b1870cf2b2320c5e538298d06f32347a4d1110d

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
SignatureB2OVTZXNLAoXz4byzn+IVGw+a/ZidDWJyhOo4UJkdPvanV/QcAASPzQLOJS08gM7G/WXuQYtrW9s5Esm7bPvAw==
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

2026-09-17T10:02:19.425010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081033
observed 300bcacbeec31236425933bd4d8ba931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.407979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081033/manifest.json
observed 5ec39967753be27436bd986f3b1870cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.392174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081033/publication.md
observed 1bae47d100441c4651231165b5428f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:19.375599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081033/publication.txt
observed 168c56a63df70cc32f4dd6126322682d...
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.