OpenTechnical

OT-2026-000037868

Publication integrity record

Single bellows cup vacuum gripper, single 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-2026-000037868) never changes.

Identity and time

Publication numberOT-2026-000037868 · never reused
Internal UUID01a0ae77-f889-7b3e-902f-5bef54ac2700 · 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-2026-000037868
StatusPUBLIC

Content hashes

Canonical textf6e3cf2985a9759b0fe795b784c7b7b0e451d628ba4e8e6ac20605d48964661f
Markdownab4b4f324584012d5d5101d42f9b012e4cf523e6e7824b7c13cdb8462570b8b8
PDF
Publication pagec46ba38989ffbe5c5a6ac41732d12882aeb869708a6f84d95807208ebb43d309
Manifest394253159fc10a46d46ad51929c1d5e630b542034b350b4171d7a7057f9af6a9

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
SignatureHAUkCYH5XQg8JL9HiaGqCI8nU8f1q8U/X3/XeVlaTqNj92cvIGseRSdDFv4Snp1BQdb2Dj1KgUnhn2FPBeTMBQ==
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

2026-09-17T11:23:07.727382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037868
observed c46ba38989ffbe5c5a6ac41732d12882...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.710858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037868/manifest.json
observed 394253159fc10a46d46ad51929c1d5e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.693727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037868/publication.md
observed ab4b4f324584012d5d5101d42f9b012e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:07.675213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037868/publication.txt
observed f6e3cf2985a9759b0fe795b784c7b7b0...
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.