OpenTechnical

OT-2026-000055995

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000055995) never changes.

Identity and time

Publication numberOT-2026-000055995 · never reused
Internal UUID01a0ae87-0a4a-7ad0-8f33-23bfa7ce1705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055995
StatusPUBLIC

Content hashes

Canonical text5862935d305b278d32ea79b5ad363441aa42349158fe04a2bdf5a9d2473aed7d
Markdown3d164b3a76e30a35284087b86a294efd7010333f0cc7125aab394299e8391501
PDF
Publication pageb5b5288bcd66ba300aad630e925dbe1dc31f17a9c04ef41c396b4f74535eb201
Manifestf5618b70131de98ec482f3825d2330215f85ca9012528772ff5f45a1a50d6833

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
SignatureQPjR2sMBDXm++dmamLu1y7VC5LoR8cwjt/3GHmlZkenAiVBhpBL2Bdv0i6lbIGAczBtxSgH3zpnRxl1+ToVtDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:31.205568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055995
observed b5b5288bcd66ba300aad630e925dbe1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.187649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055995/manifest.json
observed f5618b70131de98ec482f3825d233021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.169972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055995/publication.md
observed 3d164b3a76e30a35284087b86a294efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:31.151636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055995/publication.txt
observed 5862935d305b278d32ea79b5ad363441...
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.