OpenTechnical

OT-2026-000102308

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000102308) never changes.

Identity and time

Publication numberOT-2026-000102308 · never reused
Internal UUID01a0aea4-50f3-7707-970a-e63ffd33fd40 · 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-2026-000102308
StatusPUBLIC

Content hashes

Canonical text1fbe63de8dd09d0597fd448c040fbc102a614dfec4815fb545462e77b58c1177
Markdowne2bcb5888d9108cda6ecaa9ba70d3c9b408d6ba692b7c7a47177bcd83597e333
PDF
Publication page886e14ddaa6e833c6e57e4cb836162dd4f879e4b9265f9d5cfe6cb69077c01b5
Manifest2ac75b56a65dc5203d595cfca925e30bfa3c8cb367b04b1ecaa5215b572c9863

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
SignaturevwrZLPmS4YstKA3D2kWcmfAbIWvfrCg17XTQXFBooH7D9+jKf6deAsICgw0mpZk5meU/UBZZvhrYf9+O7lfhAg==
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

2026-09-17T09:25:30.190419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102308
observed 886e14ddaa6e833c6e57e4cb836162dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.172000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102308/manifest.json
observed 2ac75b56a65dc5203d595cfca925e30b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.152470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102308/publication.md
observed e2bcb5888d9108cda6ecaa9ba70d3c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:30.133925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102308/publication.txt
observed 1fbe63de8dd09d0597fd448c040fbc10...
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.