OpenTechnical

OT-2026-000058897

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000058897) never changes.

Identity and time

Publication numberOT-2026-000058897 · never reused
Internal UUID01a0ae89-479f-7c38-a1a6-f192c7f797b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058897
StatusPUBLIC

Content hashes

Canonical text481ca0d121012749af7d1047a1f2ed669a34559919be61951657fec6ce80457b
Markdownf6e9e80a48d0774b72ec9d279e8b8c4dfbad76f58da42774604ea1fb730fd4e3
PDF
Publication page92beab1df7e0ae835ac13b77378d5422d23ac849e02bac8af9646636d23b84b5
Manifest01c8061db651f94d573171c1bf944679072a2f94a00176bca657d3efea065d4d

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
SignatureVnHSuCmFVsv2DymMVErM65v72cuQTdzlRhBALm2WEvlRqQZfXc298xmXOX3LaOUKJ2N4K+hwpk+1yv4yy8vSDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:26.782412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058897
observed 92beab1df7e0ae835ac13b77378d5422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.764418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058897/manifest.json
observed 01c8061db651f94d573171c1bf944679...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.747245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058897/publication.md
observed f6e9e80a48d0774b72ec9d279e8b8c4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:26.729879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058897/publication.txt
observed 481ca0d121012749af7d1047a1f2ed66...
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.