OpenTechnical

OT-2026-000067293

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after 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-2026-000067293) never changes.

Identity and time

Publication numberOT-2026-000067293 · never reused
Internal UUID01a0ae8f-6bd6-7941-b7ef-09f4663adfa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067293
StatusPUBLIC

Content hashes

Canonical textebdc84eed03920fc86440f1d1ede67e0a4b030dc545888c3d9a5a97262e179fa
Markdownb9d8395fb63b941c5b21779adc5e3d08d60245d8668347b6d872307d7fa0982c
PDF
Publication page277685ae1601884b1ac5f9809bf2855c435bcdec8ac9de0e3dcf329fa70e9a9b
Manifest46cfc4fb34c6100283383014dbbe052e4e361fbf370dcbe50b060804863916a4

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
SignatureyKLOAVL09phMd7hNt1GtVX+gyzvvTtxcJMLP1mb5TRC2erJlT2kYAj+fBFH+kRFSHGyMgOAxapHYdBraqIdhBg==
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

2026-09-17T10:30:58.682127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067293
observed 277685ae1601884b1ac5f9809bf2855c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.663763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067293/manifest.json
observed 46cfc4fb34c6100283383014dbbe052e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.645392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067293/publication.md
observed b9d8395fb63b941c5b21779adc5e3d08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.625247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067293/publication.txt
observed ebdc84eed03920fc86440f1d1ede67e0...
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.