OpenTechnical

OT-2026-000098903

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000098903) never changes.

Identity and time

Publication numberOT-2026-000098903 · never reused
Internal UUID01a0aea2-8286-7c51-9487-ac8996f8b00d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098903
StatusPUBLIC

Content hashes

Canonical text2baec2df2ec734b2bf91588cff9381441126ea339d29fe03e6470dd2cb5b3e1d
Markdown5a4b50f871b81ab9078d30861a03d06b2cabb3ca59d0a7d9e62a373f3abfc90f
PDF
Publication pagee313bb1d0c66ad2b2121ba2c6b0c85a584774660ff1d83d1b2a402b2db0b22f5
Manifest4ba25581215e80421b8810195955dcb9c27df80de54bf3cc0bd223658347adcf

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
Signatureb7d00KQpGiWQC6MWo/JiIhtx8+F3IEGpDElud5Hn6pQfM8o+ZKOZm8GB3R9qVQIZ+ZDS7T6n8O1SdXhQjtgYBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:57.639044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098903
observed e313bb1d0c66ad2b2121ba2c6b0c85a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.623702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098903/manifest.json
observed 4ba25581215e80421b8810195955dcb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.606032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098903/publication.md
observed 5a4b50f871b81ab9078d30861a03d06b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:57.589629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098903/publication.txt
observed 2baec2df2ec734b2bf91588cff938144...
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.