OpenTechnical

OT-2026-000009805

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000009805) never changes.

Identity and time

Publication numberOT-2026-000009805 · never reused
Internal UUID01a0ae6b-7565-7922-8a53-358fb65df3c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009805
StatusPUBLIC

Content hashes

Canonical text560978d3a6c4560364015c3ac1e918ad3791ea2409e13f224ceb8d8caf5a23f7
Markdown4ed62ae607a2244c89efc690747b732a5b483b9556e6f0f7b1d4299bab1a735a
PDF
Publication page0d8420b3264055621835dc8e3764082798e0bc92628bb6a2a29ecf764c8b4030
Manifest629cf86bbd033ab9d03a8136060351f68d3ce71a0ae03c92cd166dd8cd8d4aea

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
SignatureDrZSiHsHP8On4TxEhnfLKH4TF+q3BhcA6Lgdk9A/KjucLnqR6EP7nkfnlvrNVZkzc4YrgP7gPjIVbrR8LpBDAw==
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

2026-09-17T12:17:19.829881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009805
observed 0d8420b3264055621835dc8e37640827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.806781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009805/manifest.json
observed 629cf86bbd033ab9d03a8136060351f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.784502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009805/publication.md
observed 4ed62ae607a2244c89efc690747b732a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:19.764184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009805/publication.txt
observed 560978d3a6c4560364015c3ac1e918ad...
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.