OpenTechnical

OT-2026-000056637

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000056637) never changes.

Identity and time

Publication numberOT-2026-000056637 · never reused
Internal UUID01a0ae87-7af6-7308-a8e5-0dcf9e931956 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056637
StatusPUBLIC

Content hashes

Canonical textb51714c2fbc7cb9eea1e433d4f195919834ea66d8c57c9b1aa825c7a3efb7bff
Markdown3f0907ec549b1f00b69021a3541adec2708a2cfe69c8b5c08dc2f24afa937711
PDF
Publication page583d712c09544660409a67a0f365b1167b362bdf99575dfb27cd2cf084a60000
Manifeste5d4ea830e4c6942f0bc5d7711eb497a1b6e504378d9da21d0f1d25e4f93abb6

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
Signature6fS+MP7CH9pQMAhmqwWgw+quTpCbhCiqhz68mTx/lfYKNK4awaNx6tH9cO/e0x3STfIPa1u19+nVY7t5DCk0Ag==
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

2026-09-17T10:49:59.810375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056637
observed 583d712c09544660409a67a0f365b116...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.792782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056637/manifest.json
observed e5d4ea830e4c6942f0bc5d7711eb497a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.774633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056637/publication.md
observed 3f0907ec549b1f00b69021a3541adec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:59.757240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056637/publication.txt
observed b51714c2fbc7cb9eea1e433d4f195919...
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.