OpenTechnical

OT-2026-000086340

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000086340) never changes.

Identity and time

Publication numberOT-2026-000086340 · never reused
Internal UUID01a0ae9a-2c96-7c7e-9910-6da233458545 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086340
StatusPUBLIC

Content hashes

Canonical text75125f0fc6e68e2251e3c39649ba950671c448aac0735ba7e3c3575adee06ecc
Markdown454e94b1397beea1f3c7bcd9c10555959ace8fa44652dbdc703925b11227fc3f
PDF
Publication pagee308fa1def76de3745b62623046fa8df10f574cc1b499586e50a2916605ed4b2
Manifest88a58a32a642110db2e1a3627b8b472cb687042a6d3c8748651201d1c8d308cc

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
SignatureYcH4tm8x6j+wB6vJR8oJvolXSpCY8ZRV9KSIzlyTOsBTpmRRe5wRinLElQzsfSR/6/lCHYsteq8MraXsryrdAQ==
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

2026-09-17T09:52:01.933089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086340
observed e308fa1def76de3745b62623046fa8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.915134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086340/manifest.json
observed 88a58a32a642110db2e1a3627b8b472c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.898190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086340/publication.md
observed 454e94b1397beea1f3c7bcd9c1055595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.880740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086340/publication.txt
observed 75125f0fc6e68e2251e3c39649ba9506...
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.