OpenTechnical

OT-2026-000061615

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold 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-2026-000061615) never changes.

Identity and time

Publication numberOT-2026-000061615 · never reused
Internal UUID01a0ae8b-7b45-7bd6-b65f-76cae8436fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061615
StatusPUBLIC

Content hashes

Canonical text1a1a2f5af7daca01d3e8f9258487e06abdd2eb9bb983d561fcacaeab3fa1612e
Markdownb477214a1c13a37c3d51d73d16313788909c25c9d80a425dff9fb93211072818
PDF
Publication pagef5e11ec04d75024d45b5befae742c9a40fa10cc7065188e8f55c1dba74500c66
Manifest5cafe7cf135fb927b9437802ad8d4e65daaf4da14170722ce69bc4219105d752

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
SignatureI9CfG3Gu14ZMuAfZsahP/XBRd/VqT+rBXfPw5A2jFjqOiABxlBIZPCGPLvHL1/L03xCpchTdyLc0ZXcWF0EsDA==
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...

Independent retrieval

2026-09-17T10:41:32.786555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061615
observed f5e11ec04d75024d45b5befae742c9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.768869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061615/manifest.json
observed 5cafe7cf135fb927b9437802ad8d4e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.750685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061615/publication.md
observed b477214a1c13a37c3d51d73d16313788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:32.732524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061615/publication.txt
observed 1a1a2f5af7daca01d3e8f9258487e06a...
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.