OpenTechnical

OT-2026-000054238

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two 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-2026-000054238) never changes.

Identity and time

Publication numberOT-2026-000054238 · never reused
Internal UUID01a0ae85-b3a9-753d-bb7d-d91239f19c6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054238
StatusPUBLIC

Content hashes

Canonical text27bd782e7e56d1ab3d3db42bb0b27de185f84b0ad89bcff7af6ba7f4833e3bd9
Markdown06985b93ebefbfc933df0bc074699a408fd431392664073b4e43be7591855587
PDF
Publication page6006e13a20dbdbaef1f769186737d7599a64718b6030650c7b975395e5125f36
Manifeste754d1c1975d999a059160684f0d5a99355aac797fb36b5683b419253e1eb6bf

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
SignatureWVKpzZwFDsj4F3Dj1wwj64TVG/wlTUSdcGKY3r5rJKGbW2m3mIpoBSF7T9aY3klckbVkRl+6TWl0tUtWYuAtDw==
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

2026-09-17T10:54:43.324610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054238
observed 6006e13a20dbdbaef1f769186737d759...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.306403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054238/manifest.json
observed e754d1c1975d999a059160684f0d5a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.289275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054238/publication.md
observed 06985b93ebefbfc933df0bc074699a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:43.271011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054238/publication.txt
observed 27bd782e7e56d1ab3d3db42bb0b27de1...
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.