OpenTechnical

OT-2026-000054820

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000054820) never changes.

Identity and time

Publication numberOT-2026-000054820 · never reused
Internal UUID01a0ae86-1285-75f6-bf4f-8046c3750450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054820
StatusPUBLIC

Content hashes

Canonical textb46cbd57a7e7314cb42e20cf660ebbde9914ba438288bc86c9ee7b4528c82bbb
Markdown82f9e133cd28773f1d3c2e744a4271285fe7b0a4910042c66cf3a521921e0567
PDF
Publication page79fbb122d371429bf7bfd9b742d967996ca02ca2c2b73db592dedfaf1647fe17
Manifest916e622d0ed5956edf903f3d3d1057da919227bc234386f64c59b9c280f3f158

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
SignaturexGqITLWeYobnucs8dAGlaxawuVRlU6LNXLXhz05eQlv6B+8Eb+sY4DZ3KaW/hKaGtxxFGGSp4t78CUcTmK2bCA==
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

2026-09-17T10:54:01.732967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054820
observed 79fbb122d371429bf7bfd9b742d96799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.715397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054820/manifest.json
observed 916e622d0ed5956edf903f3d3d1057da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.697858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054820/publication.md
observed 82f9e133cd28773f1d3c2e744a427128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.678484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054820/publication.txt
observed b46cbd57a7e7314cb42e20cf660ebbde...
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.