OpenTechnical

OT-2026-000043486

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, sustained blow-off after 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-2026-000043486) never changes.

Identity and time

Publication numberOT-2026-000043486 · never reused
Internal UUID01a0ae7b-92ce-7678-95a4-f97f6ae494c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043486
StatusPUBLIC

Content hashes

Canonical text2bffc4703ecef4bb7e14cad3b8956f8369515150c7272f1efdc633a244d0b014
Markdowne852a00abcf9e3c1c2f40531d2c0b4da00c51d97f8b3080adad53c486171c0eb
PDF
Publication page0dd1b8f431f8ceeb0fb2b859a316146c5dc6cd14d90fae57429be2086faad715
Manifest6dd1f9dabe4449b99fb2880c7f39cdfbbec4051228b5c518c3ecd88769b4bce8

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
SignatureMP14RvsnVUdPcfWbzdTAL13IebhaJ0v5QST+0VjMLFGqemcW3V3iM60d6JhWKGdUWIyz/K7RIZROti33qkLzAA==
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

2026-09-17T11:12:50.842638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043486
observed 0dd1b8f431f8ceeb0fb2b859a316146c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.825037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043486/manifest.json
observed 6dd1f9dabe4449b99fb2880c7f39cdfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.806842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043486/publication.md
observed e852a00abcf9e3c1c2f40531d2c0b4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:50.788429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043486/publication.txt
observed 2bffc4703ecef4bb7e14cad3b8956f83...
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.