OpenTechnical

OT-2026-000081903

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000081903) never changes.

Identity and time

Publication numberOT-2026-000081903 · never reused
Internal UUID01a0ae97-0f76-780d-b71a-7e5f4f1efa7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081903
StatusPUBLIC

Content hashes

Canonical text6cedab20319acd090219d2da73ef5471f8310e593eca6ad34776eb6c2199fca5
Markdownaec7d768345303f84cef941eda23b4e75d0b99818e554e3867de9b6893e57218
PDF
Publication page376d402cc650a4384eae7d6e592c445cd5735b717f004c45a881f7dbbcd15767
Manifest51aff282fadc03dfed3c7e7bbffc0009c12b0c36baece84b36b26895773422af

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
SignatureeYo/PRdhl7mWytKCIGfc+CsZL0Ah/46PcrUypCh5uQnA4rgND6mFC5uC73Cvku9Y52WcFilHK/WW6QF6G/L5BA==
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

2026-09-17T10:01:01.717482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081903
observed 376d402cc650a4384eae7d6e592c445c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.700230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081903/manifest.json
observed 51aff282fadc03dfed3c7e7bbffc0009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.680912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081903/publication.md
observed aec7d768345303f84cef941eda23b4e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:01.663820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081903/publication.txt
observed 6cedab20319acd090219d2da73ef5471...
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.