OpenTechnical

OT-2026-000015971

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000015971) never changes.

Identity and time

Publication numberOT-2026-000015971 · never reused
Internal UUID01a0ae6e-0c4d-70df-9f9b-5b642b7f573a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015971
StatusPUBLIC

Content hashes

Canonical text9f9416c52dd3f4a057f34372535e8888bd76bcd48adf5c3da7f04b0262419a5d
Markdown6858678ea5eb1c4039695a3c3baeaa59997f7e7c3366345308fe3114f11ce97e
PDF
Publication page08291e153a2e2954d1f9e10a2f3002a7287bcc7c4b13959a1d05fad9a8d26734
Manifestea6560454b60da8b59d1605fb8d930a53b0e096682247aff4e0c5caabbaf6e33

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
SignatureYXsS6w2DTJ9fiQ9mTbM86WpYQVFjUahHkHFpLP2wXPKl0nh+Z0x/HWSu83dL1IeUGRMyFU5JkZFX+zeoI3RHAQ==
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

2026-09-17T12:05:28.366169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015971
observed 08291e153a2e2954d1f9e10a2f3002a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.340858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015971/manifest.json
observed ea6560454b60da8b59d1605fb8d930a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.311619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015971/publication.md
observed 6858678ea5eb1c4039695a3c3baeaa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:28.284905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015971/publication.txt
observed 9f9416c52dd3f4a057f34372535e8888...
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.