OpenTechnical

OT-2026-000009287

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000009287) never changes.

Identity and time

Publication numberOT-2026-000009287 · never reused
Internal UUID01a0ae6b-31ba-7b23-92fa-4c46979cb27c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009287
StatusPUBLIC

Content hashes

Canonical text445c024e5d091d4f05a798d04c66d87e21117da74038fde964918f1e69508dd3
Markdown2e75910b83a442c4f09c3ae9dc4173f98d3c42b212433bcae56d23df84e37d65
PDF
Publication page956fd513019ea0b1db0f31822de07ebc53975609fb1fa7cfce72deb84649dff1
Manifest5d50113f2b9f70e6079ae138da71a2bbb9f7c2171a22af672b631ed7fbfd7088

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
SignatureXYg96eIC1V3kqSTFI+gfNQ4TBrNv2M8dtpUZTuk8LhiT38AnqS2IOLWOPZoeTyMPfvWpqr0Lbdslpf5gCsdHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:03.329897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009287
observed 956fd513019ea0b1db0f31822de07ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.309673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009287/manifest.json
observed 5d50113f2b9f70e6079ae138da71a2bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.290315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009287/publication.md
observed 2e75910b83a442c4f09c3ae9dc4173f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:03.271829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009287/publication.txt
observed 445c024e5d091d4f05a798d04c66d87e...
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.