OpenTechnical

OT-2026-000027007

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, 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-2026-000027007) never changes.

Identity and time

Publication numberOT-2026-000027007 · never reused
Internal UUID01a0ae72-3453-7841-b2e3-aa097f3ede1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027007
StatusPUBLIC

Content hashes

Canonical text87f152bdbf5dd3d6122ec859182c38b1df7d0334168821a4518bac284924412b
Markdown444ad29bcb275fa841295baa817853ffa634c956317af8429608709987ffeeba
PDF
Publication page19f495cd515349a7350db146a49d96a523b195cfc0855f5c9e482aab7158b4a1
Manifest0132eba0e603f57b3bd2f662630f18f761c18529ba96ade3e29fae4af7afa9e8

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
SignaturepuovrW1H4hBxmQwoSIUORWWcsmCqoMHvJ4mjsaGFYu3ukBwBq/AYShy7YuCU8S1oc/TWMq1Et2lbCDKE9gZXBA==
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

2026-09-17T11:43:38.300884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027007
observed 19f495cd515349a7350db146a49d96a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:38.285434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027007/manifest.json
observed 0132eba0e603f57b3bd2f662630f18f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:38.266857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027007/publication.md
observed 444ad29bcb275fa841295baa817853ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:38.248188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027007/publication.txt
observed 87f152bdbf5dd3d6122ec859182c38b1...
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.