OpenTechnical

OT-2026-000053177

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000053177) never changes.

Identity and time

Publication numberOT-2026-000053177 · never reused
Internal UUID01a0ae84-a432-749b-bcba-21fc3a4e537f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053177
StatusPUBLIC

Content hashes

Canonical textef9b8ef4614bb7cdfdd0edec9d5bc5c6010ef8a0380fd08ff3fcdcc53edcb833
Markdown09cfe2071b82036f74209c4639011c82c79ef230ff138f666f60669dc9284145
PDF
Publication page10606fc5b29c0f8e745e0b5c6133ec8f1edbb34b895b47fe54aeb0d244936bf8
Manifestd8054708cde8a48f5d3f39ee94fcd7cc897f945ab45407fac03c5e119ef8a54a

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
SignatureID4iXh7BrTpKebYeqnneyMbGSmz8xqXGukL5UTwApxiJFJbsTU036/HyrE5Zc5g+M6HkzJp1OXayPw4fA6e7DQ==
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

2026-09-17T10:57:00.103881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053177
observed 10606fc5b29c0f8e745e0b5c6133ec8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.086841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053177/manifest.json
observed d8054708cde8a48f5d3f39ee94fcd7cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.070598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053177/publication.md
observed 09cfe2071b82036f74209c4639011c82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.053130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053177/publication.txt
observed ef9b8ef4614bb7cdfdd0edec9d5bc5c6...
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.