OpenTechnical

OT-2026-000103732

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000103732) never changes.

Identity and time

Publication numberOT-2026-000103732 · never reused
Internal UUID01a0aea4-e462-72e2-b7ca-b9431e9be4d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103732
StatusPUBLIC

Content hashes

Canonical textfb5f5469278c1c35b20facb55c21a0e984a1c12f8018e04f9164208614ee6d10
Markdown452ac8bc29cf5aa236cfe5a3f2ddc7a3479a34c236a6a09229f2a724165356b6
PDF
Publication pageb95933a82f9a5f7a39c5c106dbee1d3d73fbb4ab80f2e9a683267d0774762adc
Manifest812aadd8dddfa716b92d5dd265f837cad232d8cd73f0f4302b8b24c0987e78ee

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
SignatureKmsL4ni9ZR5AVaF0FF8TtyoNqIoDrM33cImWX6yenUtpQbXHY81bKFPAfb5ziuoynkGe5gtpWVjCHaGDBbLiCg==
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

2026-09-17T09:22:32.907766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103732
observed b95933a82f9a5f7a39c5c106dbee1d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.888552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103732/manifest.json
observed 812aadd8dddfa716b92d5dd265f837ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.871527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103732/publication.md
observed 452ac8bc29cf5aa236cfe5a3f2ddc7a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:32.852132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103732/publication.txt
observed fb5f5469278c1c35b20facb55c21a0e9...
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.