OpenTechnical

OT-2026-000101902

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000101902) never changes.

Identity and time

Publication numberOT-2026-000101902 · never reused
Internal UUID01a0aea4-50f0-7a4c-877e-9a113e504cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101902
StatusPUBLIC

Content hashes

Canonical text4901d29efd8ebd0d0934874a0117033016dc55a28ead3c6dccd93d27f035344a
Markdown5fac327c8b79dc9d7fe528dade2c2faa0ac4f58ab650d74298080afcb8776db3
PDF
Publication page2d2b604fd72dd5ba835091ba3fc19447ed10d016adaa69be665540b5269ee2de
Manifest42ee8421d02dd85e559219993386ce474944bec70e4f841e4247e5860fbe8f95

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
Signature+gvDsC1NRNsimFNbiyJ79IWtiXPaaedEGp92LxIR7YbrLqAkA8BpkgtFGBdeRQiZJ6TbYie6vUUT2+m6YormCw==
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

2026-09-17T09:24:30.691964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101902
observed 2d2b604fd72dd5ba835091ba3fc19447...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.673693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101902/manifest.json
observed 42ee8421d02dd85e559219993386ce47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.655451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101902/publication.md
observed 5fac327c8b79dc9d7fe528dade2c2faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:30.636577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101902/publication.txt
observed 4901d29efd8ebd0d0934874a01170330...
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.