OpenTechnical

OT-2026-000018815

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000018815) never changes.

Identity and time

Publication numberOT-2026-000018815 · never reused
Internal UUID01a0ae6e-d521-791a-99cc-b16f349dca60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018815
StatusPUBLIC

Content hashes

Canonical texte41967058926d1af1aa06f2ebad51e1510bb465a668e9761f7a10ada470ae8c8
Markdown7dec6b25689b5450e89027a46b5a26bffaf8b944c805318e638295a3f6a6da23
PDF
Publication pageaa4696ce0a60f13474bcb962a8ce037a218128e746cc812799416d6706dc2106
Manifest9900c1f358c0bd696cdae774dae1aacd7fc38055e375bfbdeb3538530a08f01c

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
Signatureox9Sbx67kYfb6zO16RPAWKS/qGpSH1lOASbPBGDTcRn/g5JRxpG88xL2nT9dcfunkkXvNfablxYc4WUu97FOBw==
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

2026-09-17T11:59:26.786287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018815
observed aa4696ce0a60f13474bcb962a8ce037a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.767548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018815/manifest.json
observed 9900c1f358c0bd696cdae774dae1aacd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.749275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018815/publication.md
observed 7dec6b25689b5450e89027a46b5a26bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.731177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018815/publication.txt
observed e41967058926d1af1aa06f2ebad51e15...
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.