OpenTechnical

OT-2026-000089092

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line 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-2026-000089092) never changes.

Identity and time

Publication numberOT-2026-000089092 · never reused
Internal UUID01a0ae9b-daff-7f24-9af1-52aeda159503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089092
StatusPUBLIC

Content hashes

Canonical text826c508323fe0240953e1e68bb5c068c19620c8b453d620004eb4423b943e92b
Markdowncd4f612f2546592a1ae95cb521fb9538b256533b83a960e40a98208e7d318762
PDF
Publication page4e286b828b01437eb18ec1174ad4e5ee14f9ff2329b742b634b838027ce1d95a
Manifest6fc06a5a5b0eca2b3615b14f1c5a53e8b08c302b04258fec5c7e9c2aac66186d

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
SignatureCgzn3UCtl4/26d5tq4+b86iXIGefWJPlG1sco7xKEFhL6TkPeLsoKFP3C7mIualaxUNYPBp73XfhAerSvOQyBQ==
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

2026-09-17T09:46:59.949967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089092
observed 4e286b828b01437eb18ec1174ad4e5ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.931456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089092/manifest.json
observed 6fc06a5a5b0eca2b3615b14f1c5a53e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.913335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089092/publication.md
observed cd4f612f2546592a1ae95cb521fb9538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:59.895009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089092/publication.txt
observed 826c508323fe0240953e1e68bb5c068c...
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.