OpenTechnical

OT-2026-000042527

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, manifold 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-2026-000042527) never changes.

Identity and time

Publication numberOT-2026-000042527 · never reused
Internal UUID01a0ae7a-c0cd-7b2a-b0ad-62baac93206b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042527
StatusPUBLIC

Content hashes

Canonical text6b0a7a0da1b09381993ad84fcfd2da1076fdb2476029d89c854c2856159822c6
Markdowndabebfbb0a1e5dde96ec44201fce3184fd8d95a0a6e538f3b3eb2664ebf81949
PDF
Publication page12ec3ab9bc950039744f534d2b095b0b4133065f8fe0077d7680fe01871e782f
Manifest1346a80999af79f3e7a4d8138ceb83bf9560e352d4f619478f9282820f4b1d49

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
SignatureTs6vZYejvihDL1KkEszsPa94g1Kdjac6NPthEUEP2CHWnqFLyyUtaeznrsETeCtt3T4dw9fu+VDfKCsGJXM8Bg==
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

2026-09-17T11:14:06.812399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042527
observed 12ec3ab9bc950039744f534d2b095b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.792138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042527/manifest.json
observed 1346a80999af79f3e7a4d8138ceb83bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.772800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042527/publication.md
observed dabebfbb0a1e5dde96ec44201fce3184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:06.752646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042527/publication.txt
observed 6b0a7a0da1b09381993ad84fcfd2da10...
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.