OpenTechnical

OT-2026-000104440

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000104440) never changes.

Identity and time

Publication numberOT-2026-000104440 · never reused
Internal UUID01a0aea5-3421-7ee3-997e-0bdf3438facc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104440
StatusPUBLIC

Content hashes

Canonical textc01989c6c9ce344623defb1ed8788bde971a821cf30153b133423fbd1b7b122c
Markdown8426975eabd8a86b0f5c5a01f1c051e8c200e7c1bd3f11d9a4b0b6f1e86d842f
PDF
Publication pagee9b0d27613d569d4873cc6128d39ce6d06a9587afeb928b99267ff7c581dff1d
Manifest873bdd1877a3bc13c9d8f544ac161e9ac76aa6fd54d2afc28dc2743bf7b3af7c

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
Signaturel1rGSrGl3+Eq0l24Me40fZ3Q00pRyplk2LPTz3uqTYILDSdG2/PTCDOl4sxddOSXNSFYY/uK6+gSk/MVhP+NDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:43.053649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104440
observed e9b0d27613d569d4873cc6128d39ce6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.037279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104440/manifest.json
observed 873bdd1877a3bc13c9d8f544ac161e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.019950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104440/publication.md
observed 8426975eabd8a86b0f5c5a01f1c051e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:43.002531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104440/publication.txt
observed c01989c6c9ce344623defb1ed8788bde...
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.