OpenTechnical

OT-2026-000053406

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000053406) never changes.

Identity and time

Publication numberOT-2026-000053406 · never reused
Internal UUID01a0ae85-0a8f-7b81-a8e1-d1ed48b3edc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053406
StatusPUBLIC

Content hashes

Canonical text90a77cb800c266e4b542d19647c298652492a8c2539e388ecc1503c2e3fa77d6
Markdown4c02f6be0ff69ba400b1c178c0f87b008013004791d677127413ba46bd368143
PDF
Publication page5cf2d1b9310f1b2634fe6f7938b5780e3f7f2d4ed261a98145cfb1a6807d392a
Manifest1f9762cd31b874398e0855a2eb8cfa2767a7d0bd361883dcebc53c716106bb2d

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
Signature/VhSFB1OcSS5wrJd+VHhrBDTd8nmJUGGFvXf+tcBA4Mqo8Pq0NCpqc6jm4wfzYyn4OzfYkl8gLglU/JzGOHFCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:08.051942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053406
observed 5cf2d1b9310f1b2634fe6f7938b5780e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.035631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053406/manifest.json
observed 1f9762cd31b874398e0855a2eb8cfa27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.018567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053406/publication.md
observed 4c02f6be0ff69ba400b1c178c0f87b00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:08.001504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053406/publication.txt
observed 90a77cb800c266e4b542d19647c29865...
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.