OpenTechnical

OT-2026-000010813

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, vented after 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-2026-000010813) never changes.

Identity and time

Publication numberOT-2026-000010813 · never reused
Internal UUID01a0ae6c-540c-7634-97fd-5f7d7b96e1ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010813
StatusPUBLIC

Content hashes

Canonical text7f69509857fda53f27f97ed3450e71f89ccabbc9ebc2639acd67c05029bab0be
Markdownfd2ec30c4c47ceca3aef0ef2f40e66cb5ff7c493c50d2a341682e1b3877811e8
PDF
Publication paged5f5d05758aa262738fd1879632aa53e32a1c6bbc957b90d113c0fd038967945
Manifesta1fff7a1a073372aa8135350638eea4ba303103641e4c25cb1219dcc3ed4c4dd

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
SignatureLcyYJz133N7aaDaTzdWz1TS0Eg2Gl2KHOlKUatUdq2ooMlrnE4SuFVi1su/UdwrdzQf/rJ7em/dJ5oE0SE4YCA==
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

2026-09-17T12:13:34.317470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010813
observed d5f5d05758aa262738fd1879632aa53e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.298048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010813/manifest.json
observed a1fff7a1a073372aa8135350638eea4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.278017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010813/publication.md
observed fd2ec30c4c47ceca3aef0ef2f40e66cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:34.259465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010813/publication.txt
observed 7f69509857fda53f27f97ed3450e71f8...
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.