OpenTechnical

OT-2026-000042987

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000042987) never changes.

Identity and time

Publication numberOT-2026-000042987 · never reused
Internal UUID01a0ae7b-3277-7ae3-a6b1-01f2038e07a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042987
StatusPUBLIC

Content hashes

Canonical text7d7e281cf85f93b46806fe1c905fee65471d4c733b6db9517a381461cbd576e1
Markdown7e59b5d95be6e2e349f7e9947b3e43222a1132c913642144bf80d1641b8683a8
PDF
Publication paged1052a0a574b4a5f425be222c6fa509369b0e43e037c0d7588f4ad5cb36ef52c
Manifestb2b6a61c0c4cec4465673e2b01872422c47cc306f1b31c62d7074de6bf745fdb

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
Signaturew/awlDuknADjV7KHMvDZRUDdDcxjxf7pA7JxnfdWv++UkU3/VzKvbUdEVNxAXZDv7dvgXLlx31/FsN+XRKSqCQ==
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

2026-09-17T11:13:17.435491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042987
observed d1052a0a574b4a5f425be222c6fa5093...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.417437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042987/manifest.json
observed b2b6a61c0c4cec4465673e2b01872422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.399852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042987/publication.md
observed 7e59b5d95be6e2e349f7e9947b3e4322...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:17.382881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042987/publication.txt
observed 7d7e281cf85f93b46806fe1c905fee65...
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.