OpenTechnical

OT-2026-000011701

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, 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-2026-000011701) never changes.

Identity and time

Publication numberOT-2026-000011701 · never reused
Internal UUID01a0ae6d-1940-7cb3-ae22-a8b47947f5ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011701
StatusPUBLIC

Content hashes

Canonical textf27cf72cacf8d932551971a1cfb2990f113912ddb892686241ea75d1932d0789
Markdown3054e7c4317c4f18e98f6988d4d7363f81fba0ae90d05cb4951d5241ee8a7ae0
PDF
Publication page24cfba9894c74f4f874d42cd60ff6b92601328e9cfbeb811f6a6ebc27ee1c9f6
Manifestfc1446f45f180cbd2e54920089438720f230c425d6c67c4c46cce30c0249a6e1

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
SignatureTtSNrMTQ/RUPVAriNJ0eHjO3Toxm3aN2EgsWW6E3gPn/V7MnK1KIDuk9V1n5iiojwo+qizglgczkeyqbrfZzCA==
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

2026-09-17T12:12:18.495036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011701
observed 24cfba9894c74f4f874d42cd60ff6b92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.473592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011701/manifest.json
observed fc1446f45f180cbd2e54920089438720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.452802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011701/publication.md
observed 3054e7c4317c4f18e98f6988d4d7363f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:18.432041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011701/publication.txt
observed f27cf72cacf8d932551971a1cfb2990f...
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.