OpenTechnical

OT-2026-000074336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000074336) never changes.

Identity and time

Publication numberOT-2026-000074336 · never reused
Internal UUID01a0ae93-7179-7870-a826-f577367367d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074336
StatusPUBLIC

Content hashes

Canonical text1ee87e3e47f250b839462fef837b930061ac7e9f52cb05671ab619a989fc1e18
Markdown4e58e6329a19def61cca31863f0c669222477e47bb2ed92687e91564aed72bee
PDF
Publication page6bf3a0d515d868be94836568d0871ac6c1187e604ac3bf785503b98c715597c3
Manifestbbb16fae5834970a968a1a0df5617037243be453b639621e0cfb5e549bfff5a7

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
SignatureYl2TN3AThPhrsYSPqU90KGug87ftvnoeYwhlX6ddxt9nMsQbWT3gsbfyl0H6VHQzafbSNIk/yBnqeYi54Z/WBA==
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

2026-09-17T10:19:15.392673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074336
observed 6bf3a0d515d868be94836568d0871ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.372508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074336/manifest.json
observed bbb16fae5834970a968a1a0df5617037...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.353880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074336/publication.md
observed 4e58e6329a19def61cca31863f0c6692...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:15.335865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074336/publication.txt
observed 1ee87e3e47f250b839462fef837b9300...
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.