OpenTechnical

OT-2026-000100495

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000100495) never changes.

Identity and time

Publication numberOT-2026-000100495 · never reused
Internal UUID01a0aea3-66f0-7e14-a339-0f05634d15c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100495
StatusPUBLIC

Content hashes

Canonical textdc7faea09f7a9c16eed4d9ddff26bd1398fdcfd515eab91229d1b69f0abd9d95
Markdown965669891c6d26685708b9cc37fcc21aa41616d2009afcfb9ed08beab0372d6f
PDF
Publication pageb4791ff602c1800d8f3476cd11086d7046bfa9609ad25c42046c01a26dc0eaa9
Manifest165f77e9dab2c37e0b866fbe60e2b7e388799776caa609fc6081c7980417e774

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
Signature5lrh17JdAeKuaNT89CSeSDTKUsLrxnUBb8EuXCIvBw6PWT9+1n4AKMmk8jPdtIWMSdb6gu3a2b/p+Id4xaAdAQ==
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

2026-09-17T09:27:15.390790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100495
observed b4791ff602c1800d8f3476cd11086d70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.374267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100495/manifest.json
observed 165f77e9dab2c37e0b866fbe60e2b7e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.357606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100495/publication.md
observed 965669891c6d26685708b9cc37fcc21a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:15.340224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100495/publication.txt
observed dc7faea09f7a9c16eed4d9ddff26bd13...
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.