OpenTechnical

OT-2026-000053718

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000053718) never changes.

Identity and time

Publication numberOT-2026-000053718 · never reused
Internal UUID01a0ae85-735c-7256-accd-577399de5746 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053718
StatusPUBLIC

Content hashes

Canonical textcee3288b06db9a1ad10df0ab1d3ff4b3964850488f711cda2cba6121e03eb127
Markdown85d905f4b5ab6906fb2b06defd5d40d22b04f6e0f8ef287a4f96edd1a7fed88c
PDF
Publication pagef1e3d65504b3047f156658d5eb43d4d61e61c7d568c20d3410c145ff9ae7bf42
Manifestff31719005131005c5c94fde6178cf738e2865f5a55fee1cc4d20ef313898ce0

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
SignatureuVvwte+i3q4PhF8I6v1exvX+/VCIBuJhAYLpg9ufSjtk0Y4ac1I5er7aDrJbrgJsKy/K5r1FWMCruJtCc6f5Bw==
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

2026-09-17T08:40:16.544276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053718
observed f1e3d65504b3047f156658d5eb43d4d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.525274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053718/manifest.json
observed ff31719005131005c5c94fde6178cf73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.506897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053718/publication.md
observed 85d905f4b5ab6906fb2b06defd5d40d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:16.487614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053718/publication.txt
observed cee3288b06db9a1ad10df0ab1d3ff4b3...
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.