OpenTechnical

OT-2026-000078874

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000078874) never changes.

Identity and time

Publication numberOT-2026-000078874 · never reused
Internal UUID01a0ae95-ccbd-7905-8601-3548edc3e78c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078874
StatusPUBLIC

Content hashes

Canonical textfc5865c7c4c169a9f73316055bd64eb333c8922b17c690b0213f3e680af4c69a
Markdownd8dcebded8cb130c5644da7bc53737a7bc6ccd25743756f19ad3d4d1aaacee2a
PDF
Publication page23068f5f78f2d1d32110cf1decd6e96135233c8124ae7c8a6b917f50b4e885b8
Manifest8cfa3f255a13204ef7ba1066667dd58f546f52dc569816b33a4b3aab0bdff3af

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
SignatureE+WU3SxLDJMnH2+MxMKk5WZv8+ufu8Cps6lzyST1WAHydDLT/CS21ola9/1V9B8GyWAeEEW6WBHGQHgXjcGABA==
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

2026-09-17T10:05:40.617532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078874
observed 23068f5f78f2d1d32110cf1decd6e961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.599198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078874/manifest.json
observed 8cfa3f255a13204ef7ba1066667dd58f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.581632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078874/publication.md
observed d8dcebded8cb130c5644da7bc53737a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:40.563140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078874/publication.txt
observed fc5865c7c4c169a9f73316055bd64eb3...
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.