OpenTechnical

OT-2026-000042782

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained blow-off 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-2026-000042782) never changes.

Identity and time

Publication numberOT-2026-000042782 · never reused
Internal UUID01a0ae7a-c0d0-70ab-89e7-176238fcb737 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042782
StatusPUBLIC

Content hashes

Canonical text25dbb13df1a9ab68a55798e33899d40b4d958210a6d011b6c02bd2853c500034
Markdown01eb5d73d85b7cc5f30616949cbb142d58a9527a34f8939265f1552d912c6146
PDF
Publication pageb5c12b29360f9dc86f010bd5429c5e5dabd926c9d0e26371625be832af42dea4
Manifesta91b82db708386eefdb3127aa2a3ccf6c13f30d2b475b25dd82244f50e9d4aca

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
SignatureUTUpu1Jw4ZhC95XJSRKwcl/wZkLzXKAtJmm/IR6o9x09TLkKYATNORZ1/ujp2S1JpqSnD2ZJ8zW+u/DJSmmlDg==
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

2026-09-17T11:15:14.711286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042782
observed b5c12b29360f9dc86f010bd5429c5e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.691842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042782/manifest.json
observed a91b82db708386eefdb3127aa2a3ccf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.672826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042782/publication.md
observed 01eb5d73d85b7cc5f30616949cbb142d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:14.652918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042782/publication.txt
observed 25dbb13df1a9ab68a55798e33899d40b...
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.