OpenTechnical

OT-2026-000076677

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000076677) never changes.

Identity and time

Publication numberOT-2026-000076677 · never reused
Internal UUID01a0ae94-b06f-72bd-9c09-35a6de824a05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076677
StatusPUBLIC

Content hashes

Canonical textc857712d4d7dc5c9448679a3235181f16905c2b32b73817d171d7974743ecc4b
Markdown34aacce1e8235f17a23d692338052bb9ecb4eafd9da8db299a6674218040ace1
PDF
Publication page427295935a800448d103aa06df44a1186507a26c69b5e5b9f58eddf19ea62635
Manifest1b0420ae4f18120c59487a0fca15d8adf0cb41d1b3e2a38c07d732c62deba5b9

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
SignatureqQoUIUDhJuC6ghmiTFBAEOida1riwNKpeW62Rbss67bc5Kbh/2dj3utyeDLbTmTiQUh4ewrgIbIiK+sVFjD2Ag==
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

2026-09-17T10:09:25.743073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076677
observed 427295935a800448d103aa06df44a118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.723168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076677/manifest.json
observed 1b0420ae4f18120c59487a0fca15d8ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.705161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076677/publication.md
observed 34aacce1e8235f17a23d692338052bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:25.685840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076677/publication.txt
observed c857712d4d7dc5c9448679a3235181f1...
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.