OpenTechnical

OT-2026-000023862

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000023862) never changes.

Identity and time

Publication numberOT-2026-000023862 · never reused
Internal UUID01a0ae70-aed6-779c-8d4c-165bde312091 · 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-2026-000023862
StatusPUBLIC

Content hashes

Canonical text36f1366c8d5ec84ce0d419dc3dcd87f3a534e12090b65d095510d8d15a3d15e8
Markdown31dbb4b567944cecaae002d58a07683413c9ddf4564d5df794bd6455a8be241d
PDF
Publication page153c9bc4a4ae6e22f7536f30095894aa28cec24c19407fd5ecf51171c89c5cbb
Manifestd47c386e41808052a5d77d46e06e5900edd5aed61d5a315df3b80b79dbfc8af8

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
SignatureK6h0L8za4dnSCYb3wBDgZ2wee0wCEpa8mgVnxuLBeQcJCLJoC4fmTl41Kmo7eL4gGtNSU8l/CRmzlMwCNqq6Dw==
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

2026-09-17T11:50:27.951577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023862
observed 153c9bc4a4ae6e22f7536f30095894aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.933256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023862/manifest.json
observed d47c386e41808052a5d77d46e06e5900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.914126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023862/publication.md
observed 31dbb4b567944cecaae002d58a076834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.886442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023862/publication.txt
observed 36f1366c8d5ec84ce0d419dc3dcd87f3...
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.