OpenTechnical

OT-2026-000037896

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000037896) never changes.

Identity and time

Publication numberOT-2026-000037896 · never reused
Internal UUID01a0ae77-f88a-7770-80d1-c3d69b944d3b · 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-2026-000037896
StatusPUBLIC

Content hashes

Canonical textcfbfd8fd0f7c4b7a9a694e25908ea54ed0e5af8e9fe0a7e17b2ec1c1ad3a4342
Markdown7fb5f5b36fde712f85d119634e2c1d53b1540545b500ac580d00187136ce404f
PDF
Publication pageb6ccecf7f3fc6da39620b3049ac311faf2f1b1a24da4f4e711169ed775abd7a7
Manifest6887a15508ed47dffe1ef0cee1613a5baa73c1b474d6d4eb3ebe2c5e877e79e3

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
SignatureWXZo6eTi+ML+fikR09m8EA4lUiC6RvkVJLTNnCQ9Bym7LT1Cp+24NMm+kuM/8C+dXzolO8XnF9LxebgrUO4nBg==
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

2026-09-17T11:23:09.761759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037896
observed b6ccecf7f3fc6da39620b3049ac311fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.744221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037896/manifest.json
observed 6887a15508ed47dffe1ef0cee1613a5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.726924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037896/publication.md
observed 7fb5f5b36fde712f85d119634e2c1d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.710434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037896/publication.txt
observed cfbfd8fd0f7c4b7a9a694e25908ea54e...
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.