OpenTechnical

OT-2026-000084499

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, sustained blow-off before 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-2026-000084499) never changes.

Identity and time

Publication numberOT-2026-000084499 · never reused
Internal UUID01a0ae98-e259-7845-8bda-ef9f57b7f312 · 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-2026-000084499
StatusPUBLIC

Content hashes

Canonical text8a08323d6fba07ca658c23ea2a83ed1681a1b4e4935e52c08b508256f1b09edd
Markdowned655c914be0be66a63a88e31264d346f76c0534cf294ad27e70dc512ce0dc06
PDF
Publication page11164170e5ff7631c15b33ab9b7e853e30b02fa2fbbb148c4a7c8d4fb0048817
Manifest2af6a60b5b7d98cb3f2b0c0c162e8eb274694ba6fee4b529143c6219fe429391

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
Signature6r/vo4iLkDX4hmjrMaGSsZf3fI1hbbohakCIgoaQomjYE431joYk38nw+Yk1RXzTElSYm+mNiKVjN9zlSkl9Aw==
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

2026-09-17T09:55:22.424155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084499
observed 11164170e5ff7631c15b33ab9b7e853e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.407109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084499/manifest.json
observed 2af6a60b5b7d98cb3f2b0c0c162e8eb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.390518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084499/publication.md
observed ed655c914be0be66a63a88e31264d346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:22.371391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084499/publication.txt
observed 8a08323d6fba07ca658c23ea2a83ed16...
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.