OpenTechnical

OT-2026-000059733

Publication integrity record

Single cup vacuum gripper, three stage ejector, vented 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-2026-000059733) never changes.

Identity and time

Publication numberOT-2026-000059733 · never reused
Internal UUID01a0ae89-ec25-7d37-9b99-97660ca2b877 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059733
StatusPUBLIC

Content hashes

Canonical text9c7876e3d77f414597d618f826e86500da955e5e50784fc3332f0a8db5df8f9a
Markdown886b6ee4f61a7a2aef795406dbcb7a0df7a58e03313116a8b28c5dc437ab5ca6
PDF
Publication pagea824f212aebef2803b51b1cbf0187dac0f1b37e4dfb4015755b83dbb87965466
Manifest5be7adedc7626a21be4fc20f91d9f7670eb5347c67116b229b264093e94e4458

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
SignaturefNwhwKWJ4VmEk0HSOLClnDNxDD9eIa7Vu3pG/ytrJaCX8QOWur4gQpr4DBHnhbHCbDFT5ewpSinv+G5+ckwNAA==
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...

Independent retrieval

2026-09-17T10:44:27.203771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059733
observed a824f212aebef2803b51b1cbf0187dac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.186720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059733/manifest.json
observed 5be7adedc7626a21be4fc20f91d9f767...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.169254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059733/publication.md
observed 886b6ee4f61a7a2aef795406dbcb7a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:27.150508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059733/publication.txt
observed 9c7876e3d77f414597d618f826e86500...
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.