OpenTechnical

OT-2026-000011989

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000011989) never changes.

Identity and time

Publication numberOT-2026-000011989 · never reused
Internal UUID01a0ae6d-1943-78e1-b414-32a465633e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011989
StatusPUBLIC

Content hashes

Canonical text996169719b5c67d67cd61bfcb013ccc24d4b251e86148b8be144f8a5e10a4756
Markdownded16afe541e46811a58fd8d73c6f1120fe4e6ec0b015e2b61208230e8d223c2
PDF
Publication page7cad498f2a47454bd1992165a6f1d3ffda0871d0fd85fd907078fe510ae0ad97
Manifest0acfb6a0bd6d12c7aa845eb9873591e38d03056144a5b3c4dc09ae7e257931e3

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
Signature8mOYaNKBAXYQmajrKpyF/9vOAdVBhu8ki/yIXa4p/TtN2KpZMUgTtUwG+GVxsX2CD/etWijogPzfKqI8EOtCCw==
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

2026-09-17T12:12:50.999884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011989
observed 7cad498f2a47454bd1992165a6f1d3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.981304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011989/manifest.json
observed 0acfb6a0bd6d12c7aa845eb9873591e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.959995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011989/publication.md
observed ded16afe541e46811a58fd8d73c6f112...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:50.941713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011989/publication.txt
observed 996169719b5c67d67cd61bfcb013ccc2...
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.