OpenTechnical

OT-2026-000048068

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000048068) never changes.

Identity and time

Publication numberOT-2026-000048068 · never reused
Internal UUID01a0ae7f-c423-75d6-aa86-d079ab0ad4a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048068
StatusPUBLIC

Content hashes

Canonical textfdcac7d55a081086f175083d6873f434405f93eefd5a31711bf803b4ae8e4ae6
Markdown845c63e41e732cf1655459b6ec63201049ebe919ee9ba6629ac9e18ba4344c02
PDF
Publication page4843a0c1ca4d2cdbef7876ecbf1a8025726dd4c5d6674255dc05304c96e678ba
Manifesta6e751be7935baf3a8d2f11fe5a6614513de8d37c31ca0279fc350ca6d46544c

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
Signature0K5cKP7d3NfcETWZeATvGybq168HYZFJMDKYgn+wumy/vMHsajuEqTMLG/I3FsYDnm7pyOHrUcgPaOtJuGREBQ==
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

2026-09-17T11:06:04.904219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048068
observed 4843a0c1ca4d2cdbef7876ecbf1a8025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.885464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048068/manifest.json
observed a6e751be7935baf3a8d2f11fe5a66145...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.866729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048068/publication.md
observed 845c63e41e732cf1655459b6ec632010...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:04.845892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048068/publication.txt
observed fdcac7d55a081086f175083d6873f434...
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.