OpenTechnical

OT-2026-000057877

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line 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-2026-000057877) never changes.

Identity and time

Publication numberOT-2026-000057877 · never reused
Internal UUID01a0ae88-6ed8-79ec-9a6b-df49eb8e0e82 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057877
StatusPUBLIC

Content hashes

Canonical text7a95cf42e2c0263d54217845a0e8d2fdb95ef50d4f8cb272b7ce63e3bf2ffb63
Markdownfe7f3b8df40257550dde1e9b12d1b38caab95d853d64f354da27dcbfda66721a
PDF
Publication pagee65237d4de7932239bf8460befa0e9705e7fd01879d66b16daf9837f46462b11
Manifestf6b3cec2b3b9e4451d2d91e337eacc051b09e368abb0e1107a71325358b52827

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
SignaturelaPLNtk8CYI+pIxVBbvINpETHz0z51HLESGkemTouHEsuwkprFBsgkG3RCQk/CoeTt3DiyTDUj1mg36dXI1JCQ==
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

2026-09-17T10:47:27.881355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057877
observed e65237d4de7932239bf8460befa0e970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.863151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057877/manifest.json
observed f6b3cec2b3b9e4451d2d91e337eacc05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.844725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057877/publication.md
observed fe7f3b8df40257550dde1e9b12d1b38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.826819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057877/publication.txt
observed 7a95cf42e2c0263d54217845a0e8d2fd...
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.