OpenTechnical

OT-2026-000079437

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, sustained 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-2026-000079437) never changes.

Identity and time

Publication numberOT-2026-000079437 · never reused
Internal UUID01a0ae96-0b91-7fd9-a19e-212cfb9a805e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079437
StatusPUBLIC

Content hashes

Canonical text8f907f401fb888db311b428b64c4e5d6b1392f54c961abd11c242c1a720e0b16
Markdownd2b25be0f66f3001c158cf4e2c506f982bc660869d3457b6e43f14c59d8fda80
PDF
Publication pageb250ea87a96577733cc51ffed99bab3955549d58ab7d3099ecf849abab712e7f
Manifestc1e1764d78502dcc167c7f382fab76601f90b053b78f7971171a9c468b1201b5

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
SignaturegqN1pvyXQYDwrchsAG2AmQZXVlaD+5erF/agvMu28Yu4VHBGHrZGLKiVa2RHAKlCyIWy5Bfc82JNMk6Rsl3JAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:44.065624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079437
observed b250ea87a96577733cc51ffed99bab39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.048676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079437/manifest.json
observed c1e1764d78502dcc167c7f382fab7660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.031414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079437/publication.md
observed d2b25be0f66f3001c158cf4e2c506f98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:44.014694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079437/publication.txt
observed 8f907f401fb888db311b428b64c4e5d6...
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.