OpenTechnical

OT-2026-000007183

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, vented before set down, rubber cups

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-2026-000007183) never changes.

Identity and time

Publication numberOT-2026-000007183 · never reused
Internal UUID01a0a975-b2f9-7365-bccc-bad2dddb279e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:18.171971Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007183
StatusPUBLIC

Content hashes

Canonical text3d6ee02406ddc9027315341117e13172a617385167b96e57f0a723f3f827df66
Markdown0d2d6c5623153a72c102e7ac5b7ac136bfaf1e664fbac7efd19d538be87b4413
PDF
Publication page65f89ab82203e9a93806ac48eb7d7135267ed2b899091b2310d8139aa7cf3c4c
Manifest493940c1800491fc3ea986e355276b1d1861755e2fdb7e40e9d5f14b355de371

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
SignaturetQepQ23Q45EVEZQFbxxduUNUAAVDEDa3+5F0hkaPvzX6zq98foDS16lY2qCfUr0weQsFDJufpMKnL/5eeTsODQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:18.252236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007183
observed 65f89ab82203e9a93806ac48eb7d7135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.240532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007183/manifest.json
observed 493940c1800491fc3ea986e355276b1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.229472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007183/publication.md
observed 0d2d6c5623153a72c102e7ac5b7ac136...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:18.217509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007183/publication.txt
observed 3d6ee02406ddc9027315341117e13172...
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.