OpenTechnical

OT-2026-000018327

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three 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-2026-000018327) never changes.

Identity and time

Publication numberOT-2026-000018327 · never reused
Internal UUID01a0ae6e-b489-7dcf-b251-f1f843dac34c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018327
StatusPUBLIC

Content hashes

Canonical textaa83d75aa874d696f135954b1f17a521d75253b8b9754474524bb58c481b6a3c
Markdowncd6edeed0cd77df83c54b0c2e2791e325a2e38c17313716c8f479ff80a09ec25
PDF
Publication page5349651bfcd637bef5d3c27c731d3958aa3a691a5a80c2b9dd314ddd4234012b
Manifest0fbda4def7f50574291bc43ae8a97c9bde5607c15f8a860d1c2507b8a87750dc

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
SignatureT2oqJcms3WImEkl0lUt+sWhcoZIbsYWuGSDWG3+YeRw7lxGt4QrpTFGJdvVD7zIO1jtRaczmulmUVERCA8wCDQ==
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

2026-09-17T12:00:07.701396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018327
observed 5349651bfcd637bef5d3c27c731d3958...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.667609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018327/manifest.json
observed 0fbda4def7f50574291bc43ae8a97c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.637595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018327/publication.md
observed cd6edeed0cd77df83c54b0c2e2791e32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.613920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018327/publication.txt
observed aa83d75aa874d696f135954b1f17a521...
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.