OpenTechnical

OT-2026-000055197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000055197) never changes.

Identity and time

Publication numberOT-2026-000055197 · never reused
Internal UUID01a0ae86-a0fe-7f6b-8b24-74e3944edb1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055197
StatusPUBLIC

Content hashes

Canonical text322d5bff579263700e2b17dd62144271196f38fb155213c7d8907f5e23a5435c
Markdowneed86e61c617bd4c2140e82b79fe778d57e8092d10e99d92acff57f7f40a5ded
PDF
Publication page7589f99b1519bd00733b2fe83158db3e128ec2c73cd119c86dcdad763cb8d8b7
Manifestcf577815fbe5322b2285bb67d140d4d1a00c945cc7d7b8558ff293dc6b416159

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
Signatureko6pM6Q1kZ7Ab19vF5vL1/mHeG7KfUzVZ0GGgqwIDToOhrj9iV14/jUv7CMGBzNK66S7m24VARn+xpZMBEA1Bg==
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

2026-09-17T10:51:46.308892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055197
observed 7589f99b1519bd00733b2fe83158db3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.290768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055197/manifest.json
observed cf577815fbe5322b2285bb67d140d4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.272307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055197/publication.md
observed eed86e61c617bd4c2140e82b79fe778d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.253876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055197/publication.txt
observed 322d5bff579263700e2b17dd62144271...
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.