OpenTechnical

OT-2026-000077987

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000077987) never changes.

Identity and time

Publication numberOT-2026-000077987 · never reused
Internal UUID01a0ae95-2ed1-7282-8429-2b27010cc54f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077987
StatusPUBLIC

Content hashes

Canonical text806921b954517c8e8ca50c45370cd04facb1cfc422761eb527be7f0341cd4e0c
Markdownab5d41e155ce0a7e0e0c8612280c3ca1b4942fb7c8b29c70dbc901d9c5cb372d
PDF
Publication pagede348eb79b09d160a2f20b972dd2881873d0db99477183747216926fd467c3ca
Manifestf6447c9d299c11e675c2268d400857105ceacacc457ad864b0f7f4fd96a257b9

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
SignatureTg0NiAY7o5zYapxj6ZWu8MrJg+0DirSMo/P5kzMmkaN9FflOumT/qpjt93oWUUTwJbbbcNDrwWoxqa3RFTFACg==
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

2026-09-17T10:10:25.188549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987
observed de348eb79b09d160a2f20b972dd28818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.793536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/manifest.json
observed f6447c9d299c11e675c2268d40085710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.773636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/publication.md
observed ab5d41e155ce0a7e0e0c8612280c3ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:24.753297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/publication.txt
observed 806921b954517c8e8ca50c45370cd04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.331500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987
observed de348eb79b09d160a2f20b972dd28818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.313166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/manifest.json
observed f6447c9d299c11e675c2268d40085710...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.294453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/publication.md
observed ab5d41e155ce0a7e0e0c8612280c3ca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:16.274738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077987/publication.txt
observed 806921b954517c8e8ca50c45370cd04f...
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.