OpenTechnical

OT-2026-000052857

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000052857) never changes.

Identity and time

Publication numberOT-2026-000052857 · never reused
Internal UUID01a0ae84-a42f-7e40-9c9a-831c987b79a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052857
StatusPUBLIC

Content hashes

Canonical texteb324248be49a84c70aec33017416f07dd9433091587afcb36337164c05a4f62
Markdown97971b9316fd9dd5c324632e1f95192076048899fea99e2122aa8b64bc4e2d13
PDF
Publication page6e638d3e1a375bbef7499e26ccb06edbc8900e0201b72201b03d3727f3e2cea2
Manifest1190f978d2593fa02463cd7affd29a153684348cbc9f82be0814eb02f2c1bdb1

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
SignatureRCqaGossAD+zHzLIWrYEz7AqFqjx7cQfHANpnxTrp2u7gSVOa6Hst5JcorDv4zezRL5Ok93Wsx44rsjo+290BA==
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

2026-09-17T10:56:29.249097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052857
observed 6e638d3e1a375bbef7499e26ccb06edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.232174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052857/manifest.json
observed 1190f978d2593fa02463cd7affd29a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.212404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052857/publication.md
observed 97971b9316fd9dd5c324632e1f951920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:29.191826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052857/publication.txt
observed eb324248be49a84c70aec33017416f07...
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.