OpenTechnical

OT-2026-000051017

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000051017) never changes.

Identity and time

Publication numberOT-2026-000051017 · never reused
Internal UUID01a0ae82-c7b4-7cb1-af9a-8228ef6593e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051017
StatusPUBLIC

Content hashes

Canonical text19602ba22a850b7813fa26ef3bdeb22fbb4b087c462f2e1e337149aede5719db
Markdown38e9c1148aad9eafc43a817e193df542872e3ce9fcc317f4984e313c78e7ba48
PDF
Publication page38aaeef7ec2c998c814e9c5b5d27264808545de57a34de3ab0f12598c4302ac6
Manifestfc579f41095d41585a43effa4baf1d46e38ffa7f3366aa6a05717ceac47e5af0

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
Signaturez4IGEaS983bl4eU6k2+Y0+yExNhw/en45gG8r1JE0w1FmMXAruC9uOxtiF8j5j305loKhB/H5Puc+6fv/UUoDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:00:55.265576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051017
observed 38aaeef7ec2c998c814e9c5b5d272648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.246892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051017/manifest.json
observed fc579f41095d41585a43effa4baf1d46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.227633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051017/publication.md
observed 38e9c1148aad9eafc43a817e193df542...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:55.209950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051017/publication.txt
observed 19602ba22a850b7813fa26ef3bdeb22f...
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.