OpenTechnical

OT-2026-000080808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000080808) never changes.

Identity and time

Publication numberOT-2026-000080808 · never reused
Internal UUID01a0ae96-b974-74ce-b6d8-c14fa2dc0c66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080808
StatusPUBLIC

Content hashes

Canonical textd674a3487d3230edb2b6e18d4883a84dde4b2f6921928b858f42719613da2286
Markdown22a6f2811e0c3671180372875e755c6afc32e769e4f6bb1dd0a3b93470f45231
PDF
Publication pageb8cbeef76ae0e63d6f0b1d9af423ee6501e2d51eabdaf75bfe3cb2c82ae7928c
Manifestbd13888df05b038a0b87c6b004bbb71f10c8911b8c0cc696d45b3645350f9876

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
SignatureSTFsqhiZA7744n5jbiaMAxPHntKAtP8UjW8twyTrp1aNLae/pZMi09MR9+C6fZMtgwTCgD3ns7wl6BHkp03fAw==
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

2026-09-17T10:01:59.298470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080808
observed b8cbeef76ae0e63d6f0b1d9af423ee65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.280378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080808/manifest.json
observed bd13888df05b038a0b87c6b004bbb71f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.260842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080808/publication.md
observed 22a6f2811e0c3671180372875e755c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.240876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080808/publication.txt
observed d674a3487d3230edb2b6e18d4883a84d...
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.