OpenTechnical

OT-2026-000101579

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, pulsed blow-off after 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-2026-000101579) never changes.

Identity and time

Publication numberOT-2026-000101579 · never reused
Internal UUID01a0aea4-0e15-7f54-82a7-6bac9e215425 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101579
StatusPUBLIC

Content hashes

Canonical text8f3b1ec2852af5e24f198bb62853443f49cb719e7850ed17b4ef73f33c57bd8a
Markdown729f6f412d36c2c8867023be6d0cabc9580bef7340a95a2e602311c95a9d5459
PDF
Publication page94704b61e16a7e6fc42ef6cc3f95d1dec3b7975d149053c802a0c2fa29f37307
Manifest1b25ca8266700e68ffcdb38febd1949e9246af5e6e56520e45dec6094a93d4a9

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
SignatureC4J1MDfb3UIrnvrlZ3UnxsJpEhAEeReE9T1tyF78n4Hp09YWy2pp6csvV9kI9bVj0/AhTknaji29KRzaOPEHBg==
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

2026-09-17T09:25:40.154833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101579
observed 94704b61e16a7e6fc42ef6cc3f95d1de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.134271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101579/manifest.json
observed 1b25ca8266700e68ffcdb38febd1949e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.113758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101579/publication.md
observed 729f6f412d36c2c8867023be6d0cabc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:40.091886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101579/publication.txt
observed 8f3b1ec2852af5e24f198bb62853443f...
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.