OpenTechnical

OT-2026-000015847

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two 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-2026-000015847) never changes.

Identity and time

Publication numberOT-2026-000015847 · never reused
Internal UUID01a0ae6e-0c4c-7f0a-881e-effa0b5d6bda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015847
StatusPUBLIC

Content hashes

Canonical textdd6ebf6c7a430296c5afb7069499de9bd1f2bb0cf0bb73f5e4a87feb55cf3f4f
Markdown646335dff1032c6186714c70c55eaff3a4ee7683638affef91b3e46566d1393b
PDF
Publication page3afa685e278cc84dde368b42e0c8b3ad85bc915b7b743f1a832b0d9cad58c973
Manifestf9eb66738fbdf018df0dfa072c861723b9b2e4b9e12248cd36776d9b85ad8473

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
SignaturejkiTeR22t6+LjDEaHfM/uCVJAnTN8QnNLr3gtRyjUmVK9CPucW/HiPCkDsV+xqqQLnsYJqXG0F/wePYJIeAhBA==
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

2026-09-17T12:05:10.315583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015847
observed 3afa685e278cc84dde368b42e0c8b3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.296060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015847/manifest.json
observed f9eb66738fbdf018df0dfa072c861723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.276156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015847/publication.md
observed 646335dff1032c6186714c70c55eaff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:10.257737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015847/publication.txt
observed dd6ebf6c7a430296c5afb7069499de9b...
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.