OpenTechnical

OT-2026-000081319

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000081319) never changes.

Identity and time

Publication numberOT-2026-000081319 · never reused
Internal UUID01a0ae96-f374-754f-bc25-170072034e85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081319
StatusPUBLIC

Content hashes

Canonical text162e82b29d72506b597ebade87232ab9ddcb16c2265bbc6185f2c27ceafc430f
Markdown22b20aaea237a024520d48e8c07fe0beac5eb800b2046a9d6a0482d5494da810
PDF
Publication page2dd8754895c1e88675bf38261be729f7fa4f0c80f57ccb179eb669c0912f73ac
Manifest9bc56029b8afcb1a4daf3b4d6d8b4735e40bacde378f62328f3da9d9011a5a7e

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
SignaturedxKrH0R5yYeTM5GB0vhLwHDYLXNRJ9I4l/2eqCAozSBEfMUfI+cpHrTz6xurfPcY4j1oe/NIZYjPdbNU4Tv7DQ==
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

2026-09-17T10:01:26.191192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081319
observed 2dd8754895c1e88675bf38261be729f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.171595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081319/manifest.json
observed 9bc56029b8afcb1a4daf3b4d6d8b4735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.153742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081319/publication.md
observed 22b20aaea237a024520d48e8c07fe0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.136289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081319/publication.txt
observed 162e82b29d72506b597ebade87232ab9...
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.