OpenTechnical

OT-2026-000018723

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000018723) never changes.

Identity and time

Publication numberOT-2026-000018723 · never reused
Internal UUID01a0ae6e-d520-77cd-9f48-420a290c402a · 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-2026-000018723
StatusPUBLIC

Content hashes

Canonical text996c8d772fb554e2a1e5ae0fb5ab312d572a1970c09b2ef40f2855798fda40dd
Markdowndf2870f0148ae1765f1ef26a2a6c5e2ef50ad5de0595770c2c3636d89b28f6c8
PDF
Publication page2f4595b95aefc81384042599d2a7a264688d74fee8a1dcf87300aca5f5db19aa
Manifesta0f29aea5638176b59d571ee51308728862c50c2ab102fb5b611245b30eb3e52

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
Signaturem7Gf0Gp6MWDetpUTkvQ/vBOm9Xt8vfvsm8WYBtRf14+TT1UIsAunZlmkHvOa7a0d7L/G05WaMyMKAlTZeT4YDA==
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

2026-09-17T11:59:04.394871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018723
observed 2f4595b95aefc81384042599d2a7a264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.374004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018723/manifest.json
observed a0f29aea5638176b59d571ee51308728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.325704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018723/publication.md
observed df2870f0148ae1765f1ef26a2a6c5e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:04.277008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018723/publication.txt
observed 996c8d772fb554e2a1e5ae0fb5ab312d...
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.