OpenTechnical

OT-2026-000007869

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000007869) never changes.

Identity and time

Publication numberOT-2026-000007869 · never reused
Internal UUID01a0ae6a-908a-72f2-8b2c-94dee52eec61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007869
StatusPUBLIC

Content hashes

Canonical textc3dfd597155f5242f46a34590b5e5559a6036955c52401e00b1891ae88a660d7
Markdownc90905849eb3c432f2dd998b98652223e90363604437cc3c00c416f4e81d6822
PDF
Publication page6374ff040558378482e81b063385e287ad1cba69a9e482549b8649bfa3892343
Manifestee99a075e614a906a55d574abea16180fda867cc200212edf8c7fdf26e5a3b4b

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
SignatureCTuxEWXc9GFAzw1tj4Ra7bW90xp8AP4so2QO4RSiHRzVd5Cnfs8QWRv4QEq0V96aKc0SFiIQmIJvYBpQCJEhBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:19.333345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869
observed 6374ff040558378482e81b063385e287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.315018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/manifest.json
observed ee99a075e614a906a55d574abea16180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.294738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/publication.md
observed c90905849eb3c432f2dd998b98652223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:19.277905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/publication.txt
observed c3dfd597155f5242f46a34590b5e5559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.259188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869
observed 6374ff040558378482e81b063385e287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.238233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/manifest.json
observed ee99a075e614a906a55d574abea16180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.218747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/publication.md
observed c90905849eb3c432f2dd998b98652223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:52.201288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007869/publication.txt
observed c3dfd597155f5242f46a34590b5e5559...
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.