OpenTechnical

OT-2026-000103818

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after 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-2026-000103818) never changes.

Identity and time

Publication numberOT-2026-000103818 · never reused
Internal UUID01a0aea4-e463-7b58-b493-7c4e1e75d8f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103818
StatusPUBLIC

Content hashes

Canonical textc35b0cc34b1d3855679110a0d232d3e4f22dcb1534359408f81cfd2953fff66a
Markdownb9d7a2334ffd6569ba68c9f15c92b62ddfca039d075ca5234bd414975c3531d8
PDF
Publication page2d98f3e88b95d51a57c817069b06ac56e95e2f63969874e16f268a77acef92e3
Manifest5e2979a65c44a05f9d73554c064af7c3e8244afcdc667107aa5c7dbbbd51c8c5

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
SignatureXwE2qYPsMB8fLGdnAHaU/QHJzwcoHIW+Pfru+gTumQLQr1/4hXc7z55g97yE3/LMt9Y4RsTAvRTuou2JG+h6CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:46.509597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103818
observed 2d98f3e88b95d51a57c817069b06ac56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.493472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103818/manifest.json
observed 5e2979a65c44a05f9d73554c064af7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.476626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103818/publication.md
observed b9d7a2334ffd6569ba68c9f15c92b62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.459833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103818/publication.txt
observed c35b0cc34b1d3855679110a0d232d3e4...
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.