OpenTechnical

OT-2026-000053011

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, pulsed 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-2026-000053011) never changes.

Identity and time

Publication numberOT-2026-000053011 · never reused
Internal UUID01a0ae84-a430-7362-a5ba-0c32a4cb0ddd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053011
StatusPUBLIC

Content hashes

Canonical textead378c917bc3091dd04f086329762d184cd2e550f9292bd1ae77ede822c4abf
Markdownbe0eb90ee81f5390412fdfd8dc4f0c61e65b819421152444264c83d7340e93c6
PDF
Publication page2dc0cdcf8cd0a8994b5c7b3dbd3261cef028e9194ac00b9ec07cf41c3c82a23a
Manifest350897ff3b8c54e856b67a7b60fa902a4098448c12830e90067cfe9f20843260

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
SignatureVOx5sxFCe2JAGe7CBSM4GoOxeRjiQ9SDZ7vkAg1Xtq1f8lGIR0HJFpN1I/Mwc1EFBv+VXPI20j9tNh42Kb29DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:42.581674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053011
observed 2dc0cdcf8cd0a8994b5c7b3dbd3261ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.564851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053011/manifest.json
observed 350897ff3b8c54e856b67a7b60fa902a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.545697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053011/publication.md
observed be0eb90ee81f5390412fdfd8dc4f0c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.525753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053011/publication.txt
observed ead378c917bc3091dd04f086329762d1...
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.