OpenTechnical

OT-2026-000052847

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000052847) never changes.

Identity and time

Publication numberOT-2026-000052847 · never reused
Internal UUID01a0ae84-a42e-7418-bbe6-ef86c66112a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052847
StatusPUBLIC

Content hashes

Canonical textb130e1910e959246862c091c88911a566e93de70938c47d859a51b8bd5d3c8a8
Markdown4232d5d18e947d4da969eecbe40f91c514642f93e50a4ca0041db269db743a60
PDF
Publication page10c7d041617195ee5fc43962e7ae8eec24b0c95483663407e37545085a9393b1
Manifested66e4f271cb8ea06f8a1a2d762e98a147d8b8ce1bbff53261c6718b1d17eee9

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
Signature9HvHlKpadMVgtzpJGUz+u3kFtQuaHBThagDPmC/bPZpB5mP7Xd7GVe+5F6bEKJFn/DGJ15fvzZBOGVJ7zsMyBQ==
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

2026-09-17T10:56:28.407546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052847
observed 10c7d041617195ee5fc43962e7ae8eec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.390353ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052847/manifest.json
observed ed66e4f271cb8ea06f8a1a2d762e98a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.372639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052847/publication.md
observed 4232d5d18e947d4da969eecbe40f91c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.354632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052847/publication.txt
observed b130e1910e959246862c091c88911a56...
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.