OpenTechnical

OT-2026-000008496

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, vented 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-2026-000008496) never changes.

Identity and time

Publication numberOT-2026-000008496 · never reused
Internal UUID01a0ae6a-e46a-7b51-94f8-f9389e142584 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008496
StatusPUBLIC

Content hashes

Canonical texta9b3965a050ec58422dc90ff65f858bd910975f8da6b945524840549cc3ea7b9
Markdown499871b5323386d3667968dca684171f809882e02051bca084631af7edaa82d0
PDF
Publication page96c846152a92eb9cc85dc967bc6b09ebcfc60241338776b329cfa9c35b8296cd
Manifest1f990f336bdb8a72918b9d76a95eec4c0aeb40576c81cecdcaff85dbec27b47c

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
Signatureqd9eUaeODsiVDpvGSNvs9jTP54QBn91J3PzUkaIFmZlvTFKTQcbH0cZpUeFxo55fum7+5HCLRVUu4dPW570LBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:23.891875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008496
observed 96c846152a92eb9cc85dc967bc6b09eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.872773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008496/manifest.json
observed 1f990f336bdb8a72918b9d76a95eec4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.853795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008496/publication.md
observed 499871b5323386d3667968dca684171f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:23.834695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008496/publication.txt
observed a9b3965a050ec58422dc90ff65f858bd...
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.