OpenTechnical

OT-2026-000045520

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000045520) never changes.

Identity and time

Publication numberOT-2026-000045520 · never reused
Internal UUID01a0ae7d-8f01-7588-8c6f-24ae481f7253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045520
StatusPUBLIC

Content hashes

Canonical text2e084b706f970d554ab44cd8fd2475c24ab0543556c2b08e700d0e532f8eb6be
Markdown6aa460e0a1bfb8899c4634c68ce24e0d325d628bd502e72159b0511e743d8acb
PDF
Publication page4e836baeb9b77a3c3f9aa8107573eb47398d4e538c00cc89e8e8ea810b4a98fe
Manifestf156d33222dd469dd1097ad9e0eb54d2c14e87d7b5a66849fe873dd54024f257

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
SignatureWnY36MIFomsDfgtbsTUw4jB08GqhkeDOvVSKncC3OOVoB0O9TxbGSV3DFGPZKG0yq81sDb6BBqFV9IRgPSbABA==
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

2026-09-17T11:09:15.787128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045520
observed 4e836baeb9b77a3c3f9aa8107573eb47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.767627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045520/manifest.json
observed f156d33222dd469dd1097ad9e0eb54d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.749261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045520/publication.md
observed 6aa460e0a1bfb8899c4634c68ce24e0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:15.730654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045520/publication.txt
observed 2e084b706f970d554ab44cd8fd2475c2...
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.