OpenTechnical

OT-2026-000044527

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000044527) never changes.

Identity and time

Publication numberOT-2026-000044527 · never reused
Internal UUID01a0ae7c-39d8-74d6-9cd4-a1e98a0dd0be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044527
StatusPUBLIC

Content hashes

Canonical text5ff95aea981cbd1613c9153f114951e3c4561b36066d69a8344bc42446080d88
Markdown86647ff0e9348b4437d2aa58494bdae0b469ac29fd5ee804f8744d8f756ab26f
PDF
Publication page575a7f7ce00442a4fbcaa26aaa032d36ad5b35b65f41da62f50c87b2c012a6ee
Manifest2f55d07ee4a762d9a0352415bb2adf7cfb00a34a0993de119da763c657b8379e

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
SignaturejwHqHY13mGdPbO8PE9HC1mhtnM1wNogv+WiB2+y2kgWzKpkiauH/oC3C2YK+hJ8SlEfgJ4BhBNe5L3wZ02cHCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:31:03.823992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044527
observed 575a7f7ce00442a4fbcaa26aaa032d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:03.802076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044527/manifest.json
observed 2f55d07ee4a762d9a0352415bb2adf7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:03.780496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044527/publication.md
observed 86647ff0e9348b4437d2aa58494bdae0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:31:03.761842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044527/publication.txt
observed 5ff95aea981cbd1613c9153f114951e3...
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.