OpenTechnical

OT-2026-000017642

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000017642) never changes.

Identity and time

Publication numberOT-2026-000017642 · never reused
Internal UUID01a0ae6e-96f9-76a4-a6a1-0f05aed05219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017642
StatusPUBLIC

Content hashes

Canonical text4315a212c5d8af0e69ec6fb9f549ed646660a784adea636af7b39d7a9a1f795a
Markdownd299acfce7c6fa3af255ac3b638a5166f1b4580f58f8724cc565ef835f5b6fd7
PDF
Publication page8e1aa052f5f12d29b4b2b71a7fd4369132e4685128bc5ec2cb4e9add63206cd8
Manifeste947edc7b46d1ea54e543b44c198481572c9365ca56012eed03a82c8207c4bfe

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
SignatureF7hmUQ06jOh3Of40RY7vrFrr0Y3s6b9W7ws0IJxAIgy9UEgLjkqo5qZNdpGj180Wbc2MHgqt92y07jGPkYAQDA==
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

2026-09-17T12:01:27.445510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017642
observed 8e1aa052f5f12d29b4b2b71a7fd43691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.425460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017642/manifest.json
observed e947edc7b46d1ea54e543b44c1984815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.408401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017642/publication.md
observed d299acfce7c6fa3af255ac3b638a5166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.391390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017642/publication.txt
observed 4315a212c5d8af0e69ec6fb9f549ed64...
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.