OpenTechnical

OT-2026-000053995

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, pulsed blow-off before 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-2026-000053995) never changes.

Identity and time

Publication numberOT-2026-000053995 · never reused
Internal UUID01a0ae85-b3a7-7120-806f-b05ab3517a39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053995
StatusPUBLIC

Content hashes

Canonical text4811ffa41fd5fe0980eeb2b5bafaa778285d515936c42519769e4f6d1a2d93a6
Markdown0a1850060ff58185c6d2648fbe0c664839a05dfe180389d395ab1d355225d5a8
PDF
Publication page30791cce6c3f597269b9348b3bf4784b268f8e560021258e0c0a4f152133afb1
Manifest8ba6bf2ab86e3fbabbeb7405ab8d514bd5e65913792cf4d2138968d639c0c806

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
SignatureSJCRBttjGu6F3xUV/xNjYDyLwzObxdSqDRnbdMDkrrarqxjvTVl4ZjJbwHjO60rDC5TUxYC40FPfxR1jhAuRAQ==
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

2026-09-17T10:54:13.244441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053995
observed 30791cce6c3f597269b9348b3bf4784b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.218133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053995/manifest.json
observed 8ba6bf2ab86e3fbabbeb7405ab8d514b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.189948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053995/publication.md
observed 0a1850060ff58185c6d2648fbe0c6648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:13.071701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053995/publication.txt
observed 4811ffa41fd5fe0980eeb2b5bafaa778...
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.