OpenTechnical

OT-2026-000023647

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off before 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-2026-000023647) never changes.

Identity and time

Publication numberOT-2026-000023647 · never reused
Internal UUID01a0ae70-aed3-7c25-a9ed-d77ea662eab5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023647
StatusPUBLIC

Content hashes

Canonical text06168163e220b64d6c9a36ee2b6367c50d0e461655fb8a38a5c32c7b70137dec
Markdownde5122be29d8bae381df19aa206c0a15d95dd380843c8070f459c70d68d0edfe
PDF
Publication page65d329cf5b153d7b4bd561dd59c0c020f21837b706c82453af09a889bc6966e2
Manifestee878355963765a1e37e7d0aa9b3c67ffd6f83cc58d5b27a92a572327da19dc0

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
SignatureT4EdthdS7i4t42A7oUZeDIFxRjLjBl3yIOMTx31LfwHKvFhkdGizb+lR9iBYfPqUuKgea5PniHMuSCCdFc1qBQ==
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

2026-09-17T11:49:57.534858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023647
observed 65d329cf5b153d7b4bd561dd59c0c020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.517445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023647/manifest.json
observed ee878355963765a1e37e7d0aa9b3c67f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.499900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023647/publication.md
observed de5122be29d8bae381df19aa206c0a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.481929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023647/publication.txt
observed 06168163e220b64d6c9a36ee2b6367c5...
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.