OpenTechnical

OT-2026-000027698

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, sustained 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-2026-000027698) never changes.

Identity and time

Publication numberOT-2026-000027698 · never reused
Internal UUID01a0ae72-699a-7375-99fb-1fd2e1414170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027698
StatusPUBLIC

Content hashes

Canonical text95541fded890d822b9d371d351977df9ebe4b972776a7feb38bbfbe3599b8451
Markdown95d37aa38a3d567bf90858183181a74964a840d67b1617cedf40b10d8c97a1b1
PDF
Publication page8cde2bf9925d3c4f436d9c93a2e86111702b6f868e54d95a2f747be7759415a1
Manifest8e749a0ff66d2880b7dc2a65f45206a13602460b09f3ad8f60371636f61257ad

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
SignatureF4EqpU8Q9ZbMfIPoFOvTwj/aKAHRZfCJ1UHHwUrotC98kMYVMvJgJnfBmpKwN91r7Gu/QTk/Wh7d08yeIjgKCA==
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

2026-09-17T11:43:14.761975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027698
observed 8cde2bf9925d3c4f436d9c93a2e86111...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.744538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027698/manifest.json
observed 8e749a0ff66d2880b7dc2a65f45206a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.728873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027698/publication.md
observed 95d37aa38a3d567bf90858183181a749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:14.711896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027698/publication.txt
observed 95541fded890d822b9d371d351977df9...
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.