OpenTechnical

OT-2026-000056831

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000056831) never changes.

Identity and time

Publication numberOT-2026-000056831 · never reused
Internal UUID01a0ae87-7af8-7cdb-8737-6a1232635177 · 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-2026-000056831
StatusPUBLIC

Content hashes

Canonical textc4594aaf5cd1fbaef1d86f70d781ca6ba24bbf9d0f4977b3b02beb44b96a29ca
Markdownd04209f4069d720df3cb83e4ec09e8340fc9d6286b4d18d636ca7ec190ee626c
PDF
Publication pageccef40f378427ef4224cda44795eed6c5ef5905008f06875d14aa4be30406b3d
Manifestdb320b92ba2c11b8c672530a1e9a50452739325a41b5632f2d868db6aaa9f884

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
Signature9V/ms/dFFVApvHowpIHgdIevDUc3kazatGJ47aAl/hJqqpVAjWVp8wcj4Fc3N90Y4fk3jB9XpK9SwZ9kBB7rDA==
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

2026-09-17T10:50:19.500864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056831
observed ccef40f378427ef4224cda44795eed6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.482360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056831/manifest.json
observed db320b92ba2c11b8c672530a1e9a5045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.465214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056831/publication.md
observed d04209f4069d720df3cb83e4ec09e834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.448117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056831/publication.txt
observed c4594aaf5cd1fbaef1d86f70d781ca6b...
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.