OpenTechnical

OT-2026-000103474

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000103474) never changes.

Identity and time

Publication numberOT-2026-000103474 · never reused
Internal UUID01a0aea4-e460-7cb7-aec7-03fc91ce0082 · 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-2026-000103474
StatusPUBLIC

Content hashes

Canonical text5b411d2ddb24dee2ef73bcc7f497303bc49424db05e9e8de78d2c06d51724565
Markdownb495dc2b7d943811c3c66319c278c91d7fc2f2a281aa03dde9bbc53b27e63a0c
PDF
Publication page6dddac2b91c848d186681e53b7341fb26053b54f0559e7d2b443c955253d242b
Manifestbf8dba7336a18211625ec0b5c6b2e3a83428240602e799a82137d898d111c33f

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
Signature3Hcv4b5qbdtBSjpydIXtkjIf4wbappe4K5GWGlYRvaHDJF6Wf5pJsHbbsI0cuYKU8kd9+kPGchl/1LtYcWESCQ==
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

2026-09-17T09:22:14.097594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103474
observed 6dddac2b91c848d186681e53b7341fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.081586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103474/manifest.json
observed bf8dba7336a18211625ec0b5c6b2e3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.065715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103474/publication.md
observed b495dc2b7d943811c3c66319c278c91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:14.048166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103474/publication.txt
observed 5b411d2ddb24dee2ef73bcc7f497303b...
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.