OpenTechnical

OT-2026-000102236

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, 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-2026-000102236) never changes.

Identity and time

Publication numberOT-2026-000102236 · never reused
Internal UUID01a0aea4-50f3-7762-8577-0f7f14f20cb0 · 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-2026-000102236
StatusPUBLIC

Content hashes

Canonical textb57ecd1f34b4f1ac9a289dd3e86005d7e4395d629b46e6f12cb677e5ade4d3a1
Markdown95da62e145aff8091912ef641422bf5b109cf470259eec8c88cd9f624585cb4f
PDF
Publication page123720c56c97b5285ce93f0b8da9e1822615b2e65b93e5d8d2504bffd0023b3c
Manifestaad23897b4a8a644b3dde0fb4e74fc1363bab3c7edc672bdb93d36bc52648001

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
SignatureWZI5plx+AqI1Bzm8Zp/fftqc8+bcsCqoVWFF1OqdL9hVLBrGNMWQiEz6KnCOOB5OlZhrGLVS4z5CefByU3grCg==
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

2026-09-17T09:25:24.984745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102236
observed 123720c56c97b5285ce93f0b8da9e182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.967770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102236/manifest.json
observed aad23897b4a8a644b3dde0fb4e74fc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.949141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102236/publication.md
observed 95da62e145aff8091912ef641422bf5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.932565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102236/publication.txt
observed b57ecd1f34b4f1ac9a289dd3e86005d7...
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.