OpenTechnical

OT-2026-000068719

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068719) never changes.

Identity and time

Publication numberOT-2026-000068719 · never reused
Internal UUID01a0ae90-2483-728d-b56f-17f642d29ad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068719
StatusPUBLIC

Content hashes

Canonical text7aa144c3f2e118863602fb587cf6a6d272a62cb8c0cd32fdd9c80bd49fcb5685
Markdown0ce09b32991e7cbb2eb2106afef2f0c24ca51fa0b7d32f3587e9438638237e8f
PDF
Publication page7b68c000e83b18555bc76d432afa04d934ee00f990679416aba06bc218694ea7
Manifestee7aa1da9670890512628ca44a12a1937e842ac5665e1826118b8c297be880d0

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
Signature6rdYQztHTjNigZgftDJrsD0fBksK58bufAM6ZBQXoXPNGW5DvOCN1VrNpg9jCJr47PeN1/d5DlXQP8izRG7KBg==
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

2026-09-17T10:29:55.825206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068719
observed 7b68c000e83b18555bc76d432afa04d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.797256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068719/manifest.json
observed ee7aa1da9670890512628ca44a12a193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.778180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068719/publication.md
observed 0ce09b32991e7cbb2eb2106afef2f0c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.759753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068719/publication.txt
observed 7aa144c3f2e118863602fb587cf6a6d2...
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.