OpenTechnical

OT-2026-000027171

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed blow-off before set-down

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-2026-000027171) never changes.

Identity and time

Publication numberOT-2026-000027171 · never reused
Internal UUID01a0ae72-3454-7fc3-9628-189f69237456 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027171
StatusPUBLIC

Content hashes

Canonical textfc259064f446973e3c0a03a08b3828c703abc975782fc6b525ced79985976b14
Markdown87f5cb2984b219c31a26589a7acdfc8c19cacf67aa430351eaa5e38bfd6ec283
PDF
Publication pageceb0fcab2bbdc0959894e9d986ce284bc016455f26af71a9b11dda02403673a8
Manifestc873c4f6c2c3a0939c17a663650daaa4e915abf58feeed3ba27ab356427e3188

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
SignatureQtX96x2Atq+ICw5cPXwDrzfwcve8EyFNLuBU3zrM7aeWxrpiUNRpxHacyn78w1OjXjMOE2WBELe1dkuG6S85DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:57.269986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027171
observed ceb0fcab2bbdc0959894e9d986ce284b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.253743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027171/manifest.json
observed c873c4f6c2c3a0939c17a663650daaa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.238199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027171/publication.md
observed 87f5cb2984b219c31a26589a7acdfc8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:57.222137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027171/publication.txt
observed fc259064f446973e3c0a03a08b3828c7...
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.