OpenTechnical

OT-2026-000103683

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single 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-2026-000103683) never changes.

Identity and time

Publication numberOT-2026-000103683 · never reused
Internal UUID01a0aea4-e462-7f14-b356-972c73f13f2e · 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-2026-000103683
StatusPUBLIC

Content hashes

Canonical text704660c3a421762411009575a1efdcd49cf37e63cbd7f302f8d1ab11483e324d
Markdown39a05b8bf6ad879e3613453dbd37ae53850576f3a7726ec65ac7dea284d85bc0
PDF
Publication paged1ab312dd11bf7e73a10b6c0890de06fe5c7a5cbf5024ada53a1292d51b3ff4e
Manifest6b6ddb8a1f7871e2f36c2fa4b61952d5c5a4c7ff6662a2d7933bda096f1a27e3

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
SignatureSKSAvRDCoHeqaKHwFS6DcBBntrqPdfj1Mx2mdIzSmiftqNM2EHzRomQqY8p07T/G3kwAoAWFsePSDy9CV3XcDw==
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

2026-09-17T09:22:29.192627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103683
observed d1ab312dd11bf7e73a10b6c0890de06f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.176201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103683/manifest.json
observed 6b6ddb8a1f7871e2f36c2fa4b61952d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.159305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103683/publication.md
observed 39a05b8bf6ad879e3613453dbd37ae53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:29.141289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103683/publication.txt
observed 704660c3a421762411009575a1efdcd4...
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.