OpenTechnical

OT-2026-000079949

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, sustained blow-off before set-down

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-2026-000079949) never changes.

Identity and time

Publication numberOT-2026-000079949 · never reused
Internal UUID01a0ae96-4377-7b1e-a1c8-9130b376710b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079949
StatusPUBLIC

Content hashes

Canonical textdbe1c9306de3b0c2bd80232d7777ce1a4d654b7fd2bddb4cb3aa95285aa0bb2b
Markdown7e132d125f77cfc48378233dc607a7f2796a50cb007a87755f0bcd96b769b727
PDF
Publication page80c1cd2f4cfa8a24b03357a65c63d0ae2eebec69e05450649da4f83ec81e3a3b
Manifest32c2ec440ba884723705727776b511c2bdbcb261940f7dcbd912f05981457ef5

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
Signaturea7KmKEnfBE80nt5K+LIqpbvY5Y86GJzEeyEku4MUFGPl0H4x7S9DbNW/rZbPB7yj01ARuOwlmW/VziCL/Tp6BQ==
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

2026-09-17T10:03:51.438461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079949
observed 80c1cd2f4cfa8a24b03357a65c63d0ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.420465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079949/manifest.json
observed 32c2ec440ba884723705727776b511c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.402928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079949/publication.md
observed 7e132d125f77cfc48378233dc607a7f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:51.385480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079949/publication.txt
observed dbe1c9306de3b0c2bd80232d7777ce1a...
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.