OpenTechnical

OT-2026-000087154

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single 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-2026-000087154) never changes.

Identity and time

Publication numberOT-2026-000087154 · never reused
Internal UUID01a0ae9a-9f2e-7df1-bfda-caf9e010df72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087154
StatusPUBLIC

Content hashes

Canonical text73c63a7529c4b80b48c460b8de300c9e604f21387d06628a9f65cbabf73b97a8
Markdown6d0679792f85c79dea83e9d7054aca424f5577cfe70cfdfb4b5667511c549254
PDF
Publication pagea09e6628d925615424f5fcf1e3452e2a4612ff1f1ab177d53ca9ff706a421b90
Manifesteadb56a2a85468e7fea368df80e9f966a6dad8af3c425b0e611b9b6827b96fe8

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
SignaturetnNlAh5ZnbDPtoi2buSm9HWocG0036M84d5X7kLgidVArW+9eniFZmg/dt97K0WoNnTMzSgTjkgYeTeU+5vJDA==
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

2026-09-17T09:51:25.207651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087154
observed a09e6628d925615424f5fcf1e3452e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.192168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087154/manifest.json
observed eadb56a2a85468e7fea368df80e9f966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.173964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087154/publication.md
observed 6d0679792f85c79dea83e9d7054aca42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.158306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087154/publication.txt
observed 73c63a7529c4b80b48c460b8de300c9e...
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.