OpenTechnical

OT-2026-000021961

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000021961) never changes.

Identity and time

Publication numberOT-2026-000021961 · never reused
Internal UUID01a0ae6f-bb5b-715d-bd72-d6d740aecdc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021961
StatusPUBLIC

Content hashes

Canonical text58e5268cc25e34ad510999b19410d37b4f1b37376ef448086629c1e82b21a9ff
Markdown4f816dfd7449b9bc414a0896cc0a45eeca5cc516f2016e5d0478e736793e84e5
PDF
Publication paged82e7a505f5701ea8b19ed8ad0fff0e783510f829c65b7281b805f50f4af7b3a
Manifestce9fbaefd1355e2cfa2b63a54c890a29c98cce14a24d8a4933cef147d772928d

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
Signature/3nSCdvUROsn1lRr0rczZl0b5BMnD0DAoeacV6s3nmANs/eyjaaDT+61sZDmY+zde+C+lFyp4+RpJbD0cvpwBA==
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

2026-09-17T11:54:04.360385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021961
observed d82e7a505f5701ea8b19ed8ad0fff0e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.329404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021961/manifest.json
observed ce9fbaefd1355e2cfa2b63a54c890a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.310796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021961/publication.md
observed 4f816dfd7449b9bc414a0896cc0a45ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:04.284549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021961/publication.txt
observed 58e5268cc25e34ad510999b19410d37b...
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.