OpenTechnical

OT-2026-000023507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pulsed 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-2026-000023507) never changes.

Identity and time

Publication numberOT-2026-000023507 · never reused
Internal UUID01a0ae70-7269-717e-973c-23a804e080f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023507
StatusPUBLIC

Content hashes

Canonical text05158e87e4db1c1c7c7657b3780d4d24594d47a98fa85cb22dcc02333ffc0bcb
Markdown719818bd3d43470f6b1ad6d9f4605fa915f14c36b6794b9584e32a973fa05ff4
PDF
Publication page73cb32fbba4ce99cda464f457629d7d8a65714994c38a137f245674bc1516b50
Manifestee2ade6348b1514768a06855f1244440bf605426a3c8cf6111e970b236379e57

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
Signature07PYpGE3kvqH+DBwB3YQQeLvxXUaQVduC0zBohz8Lt8oMCMzAHKyeMPlV0TqnGNUExysUaHhqJCu9czEfu9FCA==
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

2026-09-17T11:51:44.508742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023507
observed 73cb32fbba4ce99cda464f457629d7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.491746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023507/manifest.json
observed ee2ade6348b1514768a06855f1244440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.472677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023507/publication.md
observed 719818bd3d43470f6b1ad6d9f4605fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:44.448721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023507/publication.txt
observed 05158e87e4db1c1c7c7657b3780d4d24...
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.