OpenTechnical

OT-2026-000101377

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101377) never changes.

Identity and time

Publication numberOT-2026-000101377 · never reused
Internal UUID01a0aea4-0e13-723f-9aa4-be76ab412d26 · 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-2026-000101377
StatusPUBLIC

Content hashes

Canonical textaaccc164a9fecf608d574ab0cb3c68c430cfcc8789a82e56165249f363fd6d54
Markdown25696480c8401aab7812780cc21d80e4b477d49aefee21f58f0ef824f9e133e1
PDF
Publication page647040e276ad6070ff84c8a95cbfe5770c0f1c2a97705e1a69edc4bc488bd4ad
Manifest9d590783b7e083a46342073ce08b4a4cf4843f4fcfa6a0c853f86f609e8dac93

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
SignaturexTmHcVbTeo/8nbfdn4ASomDGww5uNzvwBqaJB+y9F9ZbBsutLBUVv298Hv9lBAOkG0/acWDn1Th1O/iTMIK0Ag==
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

2026-09-17T09:25:54.319917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101377
observed 647040e276ad6070ff84c8a95cbfe577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.303346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101377/manifest.json
observed 9d590783b7e083a46342073ce08b4a4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.284942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101377/publication.md
observed 25696480c8401aab7812780cc21d80e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.265611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101377/publication.txt
observed aaccc164a9fecf608d574ab0cb3c68c4...
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.