OpenTechnical

OT-2026-000037988

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000037988) never changes.

Identity and time

Publication numberOT-2026-000037988 · never reused
Internal UUID01a0ae77-f88a-7c35-bed8-8c1793085fdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037988
StatusPUBLIC

Content hashes

Canonical text54aad59ff4ca90c744265840ab9178ca1548ea9940e60d7b962f5a66209d9096
Markdowna70ff581bdb0235738a9ffc1b3e61982d75e6db324dae4b319c5d3cbfc01d0da
PDF
Publication page9af798e93f0bcabed631829628f9d5c4861bc1f15f256964866c5e21a28b9dca
Manifest847f4936975c7f0c6843129d054ee2c84d8f019e36b19764f00ef3c3773ae94a

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
SignatureAmMmxuo7EiuYVGlQAtSvgVSLhInPwB8PhnyZFVg2mLY9ijd4Quu7BIN8EmxfnPDs7ZJJ4YpiPuUeLjUwAShYAQ==
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

2026-09-17T11:23:17.058553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037988
observed 9af798e93f0bcabed631829628f9d5c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.042147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037988/manifest.json
observed 847f4936975c7f0c6843129d054ee2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.024105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037988/publication.md
observed a70ff581bdb0235738a9ffc1b3e61982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:17.004052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037988/publication.txt
observed 54aad59ff4ca90c744265840ab9178ca...
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.