OpenTechnical

OT-2026-000084730

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, single stage ejector, sustained 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-2026-000084730) never changes.

Identity and time

Publication numberOT-2026-000084730 · never reused
Internal UUID01a0ae98-e25d-7f0a-a3d1-bd2c3318e85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084730
StatusPUBLIC

Content hashes

Canonical text7f5fecd6a281f568c5d67f9038819cdf557c87320d8997fe820575060036cd94
Markdownd4fb168048d77eae887d51c03610744fc528605e2037fcab32b0e3befe8a4b77
PDF
Publication pageb19eac6885b535199d21ab355f54b4e434ee4aba9b4e20ae266ecf1a8df370a1
Manifest8b35d6cbaecb5f5d748f55ab21a1e345d836f09d131799d798fa9f120957790a

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
SignatureANwQf2GFssxuFsQN0+HX8wJDV7Z4yPeazL9Ag4w4zerXC6HrWWV6nrNzjPR1cGPDoZcU9a2StQGUAEV3EVOACQ==
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

2026-09-17T09:55:40.323673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084730
observed b19eac6885b535199d21ab355f54b4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.306244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084730/manifest.json
observed 8b35d6cbaecb5f5d748f55ab21a1e345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.290239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084730/publication.md
observed d4fb168048d77eae887d51c03610744f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:40.272264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084730/publication.txt
observed 7f5fecd6a281f568c5d67f9038819cdf...
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.