OpenTechnical

OT-2026-000082176

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down

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-2026-000082176) never changes.

Identity and time

Publication numberOT-2026-000082176 · never reused
Internal UUID01a0ae97-4d93-7422-887d-33ba3c1f5c48 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082176
StatusPUBLIC

Content hashes

Canonical text63a1f61dc6081aa19eb84736ad2cb5460f11062434f28a2ab17d19eb4a17cb90
Markdowndd3a538d92eb13c4070c58aef48c0a630f6869dfbca2f6b160083d94cd45ac31
PDF
Publication page81053c60d6abf0f54939908f25501ac33c404c228706491ffb32a51715da6ff2
Manifest630429e816262778ce405b030814678ce2696e4a07e9ed438580ee2f616e8415

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
SignatureOi0AAiiOtmQPTmVdsJxdnt9ZxTiT4Pev24r+RubH2KsJVkf3VgaNCUQM0MOPz46DgjWn0NrE7KzYtgZsfz6ODQ==
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

2026-09-17T09:59:00.196245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082176
observed 81053c60d6abf0f54939908f25501ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.179376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082176/manifest.json
observed 630429e816262778ce405b030814678c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.161235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082176/publication.md
observed dd3a538d92eb13c4070c58aef48c0a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:00.141148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082176/publication.txt
observed 63a1f61dc6081aa19eb84736ad2cb546...
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.