OpenTechnical

OT-2026-000062648

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000062648) never changes.

Identity and time

Publication numberOT-2026-000062648 · never reused
Internal UUID01a0ae8c-0ac2-7d05-9bc8-496d5bacee6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062648
StatusPUBLIC

Content hashes

Canonical text2ee85461badfbf786d6eb1a6f6d31da5da595e7a7501bfa17fd42e74d5d95029
Markdownda88201b5b93e957d8755b07ac296a6737c26d04bc3a51717d94e7c332dc827d
PDF
Publication page3eec3338e316d545c85e5cea8f55e71fbe650e30a612faa666dba5d2635124fc
Manifest057c05468eb51ca309fc9450e822f706bc8215900e2248f80893ac74d20a2080

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
Signature0DgdY3cFnBA1S1/fpW8km0hpUp4+P/4WNbheD4FtXlya1dwPfs44EQTQBHhppfcDfCQumTjmdPM8/GlY3eTfBQ==
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

2026-09-17T10:40:11.184062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062648
observed 3eec3338e316d545c85e5cea8f55e71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.161981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062648/manifest.json
observed 057c05468eb51ca309fc9450e822f706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.141038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062648/publication.md
observed da88201b5b93e957d8755b07ac296a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:11.120992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062648/publication.txt
observed 2ee85461badfbf786d6eb1a6f6d31da5...
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.