OpenTechnical

OT-2026-000014300

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000014300) never changes.

Identity and time

Publication numberOT-2026-000014300 · never reused
Internal UUID01a0ae6d-b279-7979-a76e-aa0faad1de52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014300
StatusPUBLIC

Content hashes

Canonical text44f8897c246a923e6bc3ad5a7dc21cdd40c1790c6ab1f01f0b503e0af3ede4bd
Markdownf29dd4b76bbb027362de7fe2877f6e701eaf220b9ecb5f0cfb5a14953807b225
PDF
Publication pageeb38aad29ef6178d18fb3f33e65a5182df7a0a503349811927f6b6c5c153807b
Manifest57902fcc2921d48a1829c02473c8292e19ff4f2584975a4ae6fbee2ea070cd2d

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
SignaturelJzcFe0u/FSp002bOtRksfQ6T6pkzJChH5SnacmBzKhgoJqXtpytGKk9EhnB6tGjR1njr22OLbNEsAD1GbF+AA==
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

2026-09-17T08:43:09.791200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014300
observed eb38aad29ef6178d18fb3f33e65a5182...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:09.492844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014300/manifest.json
observed 57902fcc2921d48a1829c02473c8292e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:09.235430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014300/publication.md
observed f29dd4b76bbb027362de7fe2877f6e70...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:43:08.780298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014300/publication.txt
observed 44f8897c246a923e6bc3ad5a7dc21cdd...
fetched by grabo-systems from 34.44.131.203, 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.