OpenTechnical

OT-2026-000046243

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046243) never changes.

Identity and time

Publication numberOT-2026-000046243 · never reused
Internal UUID01a0ae7e-57ca-7a1d-b7ef-417106845a40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046243
StatusPUBLIC

Content hashes

Canonical text3898415f68aa50a947402b53543b28d864b640f9035d77cc572ebf3b8f8a2e36
Markdown0812bca0aee3182f28b5a0aa1927d9ef785249a5ba640a5168375a7aeffa8f5d
PDF
Publication page15bd7a7accf84e6680ccd4b26e66dd352feb29f8e6ef0fe84ff067e2a8def9af
Manifest67a0bd0f6668fe2f668b9217dc715032bca75e9bbc83705f5e876c0daa861a49

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
SignatureuElC4WGQtCzbvcFhrzBQD5qKYvt+sMP1IloPaYNc+YdU5/P/RArJE0yXhhY2e2mqUTTzEXa7xWiOcr9S1SP9Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:08:05.620742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046243
observed 15bd7a7accf84e6680ccd4b26e66dd35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.603157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046243/manifest.json
observed 67a0bd0f6668fe2f668b9217dc715032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.584595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046243/publication.md
observed 0812bca0aee3182f28b5a0aa1927d9ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:05.566231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046243/publication.txt
observed 3898415f68aa50a947402b53543b28d8...
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.