OpenTechnical

OT-2026-000032913

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032913) never changes.

Identity and time

Publication numberOT-2026-000032913 · never reused
Internal UUID01a0ae75-4842-7fbf-a76f-0cf3665e002d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032913
StatusPUBLIC

Content hashes

Canonical textbc5e06ab5d8c4cac1e8d6636c9bb1b0fa4988e83d2ff18e771c1cde8c5615d6c
Markdownbb48f71fceab2f825d56c38d34330e9a87fdf1b3a69cfc72b81b2a480f6f15af
PDF
Publication page02f1272a39a8725e7e180d1ef2f467716a13616415042056070f1feff7c79ec3
Manifest7445e76da26a9cdd93aeb2c5b54be05a821eba1ca8ecbd0aeb089972679fe4fc

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
Signaturew2lq2okG5W8aGtLRnhPLgGn/S2VSKT/vwx3f5eBvoycv8mTNRrJhNxuhLX0SuUN6ERR+Jgqgy0SdXnAwZ0CAAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:32:30.287656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032913
observed 02f1272a39a8725e7e180d1ef2f46771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.268689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032913/manifest.json
observed 7445e76da26a9cdd93aeb2c5b54be05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.250503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032913/publication.md
observed bb48f71fceab2f825d56c38d34330e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:30.233433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032913/publication.txt
observed bc5e06ab5d8c4cac1e8d6636c9bb1b0f...
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.