OpenTechnical

OT-2026-000085980

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, sustained 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-2026-000085980) never changes.

Identity and time

Publication numberOT-2026-000085980 · never reused
Internal UUID01a0ae99-e82a-7142-920d-c81881426745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085980
StatusPUBLIC

Content hashes

Canonical texta2a99a78024b7bc20a0775753f78b95e678fa581bfdf0797013ddf28477783a6
Markdown017ee5611dc0eaae5af7cf142a70781e277de1560d2df170afb75cd309287ff8
PDF
Publication pagec4b02ae66fc918c60d4868622cf3e3d56b9f317a41c5831d8a1cdbc60b26813c
Manifest595408b16a55a8745a6bf8601fad2d87eaa269d1157cc498b8583a266519ff35

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
SignatureYcJ240Gm1QxoHGgBisAvM30e+WgqzaI40vAIINSgg+GBBNmb0dHs3MF6hyhVKbQA5nioAI9mG+DXITNdSsETBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:57.441653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085980
observed c4b02ae66fc918c60d4868622cf3e3d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.422640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085980/manifest.json
observed 595408b16a55a8745a6bf8601fad2d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.406374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085980/publication.md
observed 017ee5611dc0eaae5af7cf142a70781e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:57.388475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085980/publication.txt
observed a2a99a78024b7bc20a0775753f78b95e...
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.