OpenTechnical

OT-2026-000057392

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000057392) never changes.

Identity and time

Publication numberOT-2026-000057392 · never reused
Internal UUID01a0ae87-d5bd-7f74-b550-e08915a4eb20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057392
StatusPUBLIC

Content hashes

Canonical text24d1d0ecb6ac143ac58c05d6fc2177128c177c94a178c3f3d920ac2a6a7afd32
Markdownd7a95a83d040824f739c1c06bbfbc42617fdd9c325d8ccc67107b1b819dfa62d
PDF
Publication pagec82a89df2fb3d966a4baea732d83fba232a3adbb46729f90ea30b0fc90b700a1
Manifest95035a6af71df2f4c1f3a44db80c9a8cdb2e94827a6d68c4db6e4cae2f241f20

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
SignatureU/L/7sjL9Dr4vamWu/4RsM/Rkegl9oIkTerttWUSpa9i8c76/R+6sCU8PtD1adyrFuwAkubRFLWAKCM0TPboBg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:40.617519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057392
observed c82a89df2fb3d966a4baea732d83fba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.600332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057392/manifest.json
observed 95035a6af71df2f4c1f3a44db80c9a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.581607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057392/publication.md
observed d7a95a83d040824f739c1c06bbfbc426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:40.563521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057392/publication.txt
observed 24d1d0ecb6ac143ac58c05d6fc217712...
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.