OpenTechnical

OT-2026-000049600

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000049600) never changes.

Identity and time

Publication numberOT-2026-000049600 · never reused
Internal UUID01a0ae81-8f7d-78c8-a0c4-28f5d5c05be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049600
StatusPUBLIC

Content hashes

Canonical texta894e519553e9b6f4e863f4a6f3ff8ff8663912b2520836e4f429612b0797be7
Markdownb955a829cfa1d4f4abfa7eb8b2528ed459b94a05bea1ed593280d0ac0306265d
PDF
Publication pagefb2fb7ab6e036837a77d7a8aefb7c343fcab33aea0d63c0951789db1bd992108
Manifestceb1ab9a3922facb3eeb45c1718f77e24c761ca9ba336ea6d762b3bd60fa2acf

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
SignatureBCWEhUg876izCh+hobdSEYKciBOlvNUMQrnu6N15H6BtcFh/f/nTf0QyLxDU/FQ+aC+/tCpGfBf5r65Zn/I+Cg==
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

2026-09-17T11:02:34.874407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049600
observed fb2fb7ab6e036837a77d7a8aefb7c343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.855289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049600/manifest.json
observed ceb1ab9a3922facb3eeb45c1718f77e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.835837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049600/publication.md
observed b955a829cfa1d4f4abfa7eb8b2528ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.817033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049600/publication.txt
observed a894e519553e9b6f4e863f4a6f3ff8ff...
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.