OpenTechnical

OT-2026-000055590

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000055590) never changes.

Identity and time

Publication numberOT-2026-000055590 · never reused
Internal UUID01a0ae86-a103-7f0c-8e04-85416d81bb58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055590
StatusPUBLIC

Content hashes

Canonical text80ffa2c79e82926f8245d070627fed9ea27093f724beb0cd69a93b9eaa2d6f8c
Markdown53d7ad47c169ea8921a6184f985cecce507cd6f4e9fbaa9ca2b361ab6241b0aa
PDF
Publication pagee9ab321bb3e39d66d91be314fcc6e5f43daf6e9b32444d4cef24ce08c4bcdd35
Manifestad9803e4ef55dec34441e4daf57458920b793fb140deef1772658a2c37699aa3

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
SignatureyvSyksB0GAsgqHO9jE2/ry5rW/jhuoz9/1lYTes6osQ76wYXrcqm7Io92aVHLC8jLDcgerxZAMUmBPcEFuhEBQ==
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

2026-09-17T10:52:49.727408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055590
observed e9ab321bb3e39d66d91be314fcc6e5f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.709984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055590/manifest.json
observed ad9803e4ef55dec34441e4daf5745892...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.692189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055590/publication.md
observed 53d7ad47c169ea8921a6184f985cecce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:49.675440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055590/publication.txt
observed 80ffa2c79e82926f8245d070627fed9e...
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.