OpenTechnical

OT-2026-000091962

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091962) never changes.

Identity and time

Publication numberOT-2026-000091962 · never reused
Internal UUID01a0ae9d-43bb-7200-aa7d-6f21a54fe92a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091962
StatusPUBLIC

Content hashes

Canonical textd656c783726fc64109294966693593e0ea41f3d155490c319d749f892ec5bf7f
Markdownf1679c5b6106e33b07a6037fbbeed73238ac486f01f5af6e6323cad2d45deb65
PDF
Publication page95b8bf33c2eba26929cc755878b654aa995a6c435b2da0f0a41d58bad78afe6c
Manifestf749394175af24d65a1bbf4f22bf2eb1de88cbd0dc91a4f870672923c43daff0

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
SignaturecPuV8bc4JVn40UW2eodinH8BTUcuAXXty45JyVsm9IlO2SDrIGm/eK06ADlkfcnGHdwx4c3i9jAcBz7C+0FsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:54.871441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091962
observed 95b8bf33c2eba26929cc755878b654aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.853598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091962/manifest.json
observed f749394175af24d65a1bbf4f22bf2eb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.834945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091962/publication.md
observed f1679c5b6106e33b07a6037fbbeed732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.817103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091962/publication.txt
observed d656c783726fc64109294966693593e0...
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.