OpenTechnical

OT-2026-000080105

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, 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-2026-000080105) never changes.

Identity and time

Publication numberOT-2026-000080105 · never reused
Internal UUID01a0ae96-4378-7536-80e0-3c17787a94eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080105
StatusPUBLIC

Content hashes

Canonical text12ceee33828484b613e435b5b491e7bc3f6c9f074818b5d31aae3ad16331e2dd
Markdownccc66001a38faf8809c23773997e183562c3725b450ecc23fcee1418e13d32b1
PDF
Publication page041e666cc3f3b37588c40fbdb37c11fc75c85c543bc677f313b73beb0eb12c21
Manifest7db7966c4b3234b8a31a0c021ddc19e733deafe3bcff63286739845f737b220a

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
Signaturei1yReXU8JNt04MQlHKM/hy7KPhDNfHexucRdVfnvt7xR5jyz0xI0O9R1IaAklnHwtsgPtFQ9/9f+1+dPDhKXBw==
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

2026-09-17T10:04:02.798866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080105
observed 041e666cc3f3b37588c40fbdb37c11fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.781992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080105/manifest.json
observed 7db7966c4b3234b8a31a0c021ddc19e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.764883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080105/publication.md
observed ccc66001a38faf8809c23773997e1835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:02.746079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080105/publication.txt
observed 12ceee33828484b613e435b5b491e7bc...
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.