OpenTechnical

OT-2026-000049665

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000049665) never changes.

Identity and time

Publication numberOT-2026-000049665 · never reused
Internal UUID01a0ae81-8fee-7788-bc30-51ad523f6a12 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049665
StatusPUBLIC

Content hashes

Canonical text69acc34f0db46a1d26a868a84fe4bb17b97cdc0fa693e3906bef9b161c262873
Markdownbd636daa7ff3e0ae7fb9854f72d03c692fe87b03107f8d16590e7f38e6eb2e31
PDF
Publication pageec28c0d951d6fa8766729a2f9e55d5b999483bb4638ff2f95cecee6c3753ffcf
Manifestee58ff5f5c9cf0d2dac2619a32f4b3f9a239608b02f383bae67d1c42fa220dde

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
SignatureUDfDl13u86RdiCB7C0CV+yBIvPJcvF/xFeoWUumQpXolssnHsC6YOsdDQ52RpsLax3MJaZZ+KASo+YSoA+FGDw==
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

2026-09-17T11:02:40.097095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049665
observed ec28c0d951d6fa8766729a2f9e55d5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.078697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049665/manifest.json
observed ee58ff5f5c9cf0d2dac2619a32f4b3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.061535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049665/publication.md
observed bd636daa7ff3e0ae7fb9854f72d03c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:40.043769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049665/publication.txt
observed 69acc34f0db46a1d26a868a84fe4bb17...
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.