OpenTechnical

OT-2026-000057055

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057055) never changes.

Identity and time

Publication numberOT-2026-000057055 · never reused
Internal UUID01a0ae87-d5b7-70bb-8c94-d1c34c4076d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057055
StatusPUBLIC

Content hashes

Canonical text72950da98e9a6509e1b8e7079346032040d3ee6f08b0c2159a12e45b94885524
Markdown39c626c4c1335680b13def454d653d965cdac1d8074f297f3308a9015f14d991
PDF
Publication page8ed964a0589c16445c44a5bec129e7ec452eb3e2a94d6c35b7aefa640f66430f
Manifest1d8121393d01c7dd09c264952126fdee6bda42d019fc02477f68170acbcdea29

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
Signature0xz4EDViuNyPzghQS/Bw05FPHlgfgwTW0DrhrUAZEEhQNJj/7BiPud6ajR8AyJmYwUDFHfno6tgKDvrUvWNTBQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:48:32.535003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057055
observed 8ed964a0589c16445c44a5bec129e7ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.518111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057055/manifest.json
observed 1d8121393d01c7dd09c264952126fdee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.500029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057055/publication.md
observed 39c626c4c1335680b13def454d653d96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.480891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057055/publication.txt
observed 72950da98e9a6509e1b8e70793460320...
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.