OpenTechnical

OT-2026-000062817

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000062817) never changes.

Identity and time

Publication numberOT-2026-000062817 · never reused
Internal UUID01a0ae8c-94a7-7e1d-8e2a-f6a7b067ea4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062817
StatusPUBLIC

Content hashes

Canonical text37c400cb833e820196164601ca625026813382a066f867a32625a37fcbdd5738
Markdown3b3b2d53a4d09efca856397953a589e59c958dde78a83edf5d642f071a147738
PDF
Publication page0add3751537c8f1787124d3c9cd27f0710622b1b702b0dc80d09395080ac9c45
Manifestba243cf061c5fabcbc36c42b7beb11ec61e6ee6e808f01878811cfe1bd7cb932

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
SignatureUlg4W/QSB0pPWm1SR7OuNTLP6h6liwx59GfYFTfI7NRJKT6dcLvZQbtl6RiV1GtB85AUkSD1NfwR0SppdsRIBQ==
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

2026-09-17T10:40:07.612932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817
observed 0add3751537c8f1787124d3c9cd27f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.591382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/manifest.json
observed ba243cf061c5fabcbc36c42b7beb11ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.567806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/publication.md
observed 3b3b2d53a4d09efca856397953a589e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:07.544359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/publication.txt
observed 37c400cb833e820196164601ca625026...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.320634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817
observed 0add3751537c8f1787124d3c9cd27f07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.303330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/manifest.json
observed ba243cf061c5fabcbc36c42b7beb11ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.287218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/publication.md
observed 3b3b2d53a4d09efca856397953a589e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:30.270259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062817/publication.txt
observed 37c400cb833e820196164601ca625026...
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.