OpenTechnical

OT-2026-000055657

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000055657) never changes.

Identity and time

Publication numberOT-2026-000055657 · never reused
Internal UUID01a0ae86-a103-7d9c-b6e9-448f66fa9f5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055657
StatusPUBLIC

Content hashes

Canonical text0fa7cc120661bd42bcbbd31dc5061fe5838e687aea39a602558490b8f2e1635f
Markdown1c8865c639982e18853091133869be9ce45e8a04e6b6b1121cf37d36837d2537
PDF
Publication pageb9ad20e5c8a098c71b17eeb1aecd644dd6384ee4dd3ed715c45b9c5b48c173ee
Manifestcb370045a879bbdd4a23760e8a7816064b7ce1bbc6836c0f3ecc06f7f7e200bd

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
SignatureFhZ06iFdr3Duuk8uswNTO8Ae39c7rED9dgBwuZgPHx+dm1JyKS7tVHoxR1yML9mII3ehV1V4B91risXv8dFMCg==
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

2026-09-17T10:52:54.911975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055657
observed b9ad20e5c8a098c71b17eeb1aecd644d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.892551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055657/manifest.json
observed cb370045a879bbdd4a23760e8a781606...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.873894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055657/publication.md
observed 1c8865c639982e18853091133869be9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:54.854303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055657/publication.txt
observed 0fa7cc120661bd42bcbbd31dc5061fe5...
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.