OpenTechnical

OT-2026-000041324

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, pulsed 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-2026-000041324) never changes.

Identity and time

Publication numberOT-2026-000041324 · never reused
Internal UUID01a0ae79-b144-7102-abbb-91cbd17c2db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041324
StatusPUBLIC

Content hashes

Canonical textda585edf0167f72e511acd694f3d8d94068bea53431ad4b5b86d45132d59088f
Markdown9790d7f608773e8f745f17aa18c83edf1cc7a7d444d79567bbd4d16eab0afa30
PDF
Publication pagea8fb625a0125be62f0d003ae7f5d695c3ce0659bd6bad52cb29f25885574d17a
Manifeste495fe405c4e94bf628e0a3a67a39a4312fa6cacd705feaabbb5ba8fe1c569af

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
SignatureR0eHb6Cn6p5wAG5MRa5DuGsygVySKnbxmzx24frIvy3irWLw8H6H4Nu3NV4C/cdDOa5ELyE8Sb9eLZTHt9MTAA==
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

2026-09-17T11:17:18.928630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041324
observed a8fb625a0125be62f0d003ae7f5d695c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.911931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041324/manifest.json
observed e495fe405c4e94bf628e0a3a67a39a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.893865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041324/publication.md
observed 9790d7f608773e8f745f17aa18c83edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:18.876569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041324/publication.txt
observed da585edf0167f72e511acd694f3d8d94...
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.