OpenTechnical

OT-2026-000050553

Publication integrity record

Four cup 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-2026-000050553) never changes.

Identity and time

Publication numberOT-2026-000050553 · never reused
Internal UUID01a0ae82-5c49-70a9-90bc-cd495d290890 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050553
StatusPUBLIC

Content hashes

Canonical texteecfc559d9ab3d74c47a1ed9eb1b113ae27e5c5bde0c49bd8531207df6496767
Markdown9a1f4f15004c014c3831b1b0a67954fd4c6b889b6169965bcd8c1ad8b0d97197
PDF
Publication pagec0ae7a45c4d4fe54a149f6c5932bbe65c518fdcde85a3e4b8fc7f1d67654b706
Manifest976056629e55ccd2f1cd9de6a33a178bc67e5e5ee8cbb53ba20cbe0ae14c90c0

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
SignatureJQie0TLFhHO2CsRo07csL/seM36Wi16Fna/aewyMdq48vivEIVMImH9Eku7faIm8kUi28UBOAt1V2GJj7yKzDA==
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

2026-09-17T11:01:39.078230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050553
observed c0ae7a45c4d4fe54a149f6c5932bbe65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.062121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050553/manifest.json
observed 976056629e55ccd2f1cd9de6a33a178b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.047049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050553/publication.md
observed 9a1f4f15004c014c3831b1b0a67954fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:39.030804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050553/publication.txt
observed eecfc559d9ab3d74c47a1ed9eb1b113a...
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.