OpenTechnical

OT-2026-000080397

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, sustained 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-2026-000080397) never changes.

Identity and time

Publication numberOT-2026-000080397 · never reused
Internal UUID01a0ae96-7e78-7e11-94ad-7d8968436be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080397
StatusPUBLIC

Content hashes

Canonical text3cea4d96728b680aa155bda7ad94355abb5ad981b843ffcbffe85a37c0224721
Markdown07c3b0a8e324a6e552cfb80107cee579f606c5f1ca4490087169a383fb98c5ee
PDF
Publication pageb0444b8f46551170e74f5fe7442f3c8ce19fd45e04703bc648b1d0ee7b7a6f7d
Manifest57ced33205b48477d9f912fc15293b175a8b02ff4c869258323f3abb3820490a

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
SignatureDGMj84ThaOBWe/6ua7LkvRd+ahp0Epz0PZX4nzshq4qVKM7fpHobSPivdxxwbdBKPsHpsPly6dNIB12gGORXBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:53.800879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080397
observed b0444b8f46551170e74f5fe7442f3c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.782961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080397/manifest.json
observed 57ced33205b48477d9f912fc15293b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.764652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080397/publication.md
observed 07c3b0a8e324a6e552cfb80107cee579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:53.747059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080397/publication.txt
observed 3cea4d96728b680aa155bda7ad94355a...
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.