OpenTechnical

OT-2026-000012583

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off before 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-2026-000012583) never changes.

Identity and time

Publication numberOT-2026-000012583 · never reused
Internal UUID01a0ae6d-39f7-7275-95fc-314734a0b7a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012583
StatusPUBLIC

Content hashes

Canonical text5a7c45b044ccb13751cbb790bd383612ef66c492bd44fb315c01cb0f8e0da446
Markdown44b2bd0ff27b633056fb7a467d90e5c50373bca750ce15007d8bc54acef91f3c
PDF
Publication pagee59002506b9fd0b54a4e0bf09bc0b11d11f5a2c6a5abef8a5ffce7186081a769
Manifesta3a3f5e8bdbe5ddb5ada710bce2bdc3c63058bf5e6346bc89cac593c0376f83e

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
SignaturecweLeVLRNQVkuKdJXHnM0aEU3EZw3G3p0gKeGhBKvDqY0gglG+Pcj3CvQag6P4+cwXD1a6auM/Inx25hSxpyCw==
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

2026-09-17T12:12:08.273943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012583
observed e59002506b9fd0b54a4e0bf09bc0b11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.256029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012583/manifest.json
observed a3a3f5e8bdbe5ddb5ada710bce2bdc3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.236250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012583/publication.md
observed 44b2bd0ff27b633056fb7a467d90e5c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.217866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012583/publication.txt
observed 5a7c45b044ccb13751cbb790bd383612...
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.