OpenTechnical

OT-2026-000084977

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000084977) never changes.

Identity and time

Publication numberOT-2026-000084977 · never reused
Internal UUID01a0ae99-43b7-7820-9bfe-cfdfba6eac48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084977
StatusPUBLIC

Content hashes

Canonical text6ca3479860741465a883ec3bad56ef69ef776293788815e586bbccb24b11456c
Markdown5fb46bda868c17630f3c77988cbaa24dba329047fe140d2b2e2ea829225efb60
PDF
Publication pagedd448a19cf7c6688345dac775af87a137dc87545376435cf65249b5a9e7727b4
Manifestf6c95ef6c0b2a2ff57ad3aaf35c5793c408dafb7d76e82a951d1d83a48363daf

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
SignatureGJQVIWkM4qSj6YV0YRwChhB2wUi2jRooSfXPokmkzDpGxvs5XXjFAcZnek9dXNcVEfML01HA4piKtSeKAfyuBA==
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

2026-09-17T09:54:58.658633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084977
observed dd448a19cf7c6688345dac775af87a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.641988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084977/manifest.json
observed f6c95ef6c0b2a2ff57ad3aaf35c5793c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.624027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084977/publication.md
observed 5fb46bda868c17630f3c77988cbaa24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:58.604420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084977/publication.txt
observed 6ca3479860741465a883ec3bad56ef69...
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.