OpenTechnical

OT-2026-000058214

Publication integrity record

Foam pad vacuum gripper, single 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-2026-000058214) never changes.

Identity and time

Publication numberOT-2026-000058214 · never reused
Internal UUID01a0ae88-6edb-740f-a202-d7dfba847904 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058214
StatusPUBLIC

Content hashes

Canonical text02ccd83fca95e914239b35972d05ce2a25195221a32baa4ff770253f10091118
Markdown1e0b43614238b02d6190723611357e24afa006ea45c10fb282d2eaf73ab32659
PDF
Publication page84b97a35aafaa9af1e5762682da075d2fa5d9e6e3f6d5680666ab8f478adcf8e
Manifest26c5efb77832d131f43c79dbda20ca2cb0cd83d198102b5daaba13b383050007

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
SignatureszCBlZkxiNZbxT4lCQsQ0ssbyL70EaNQ2k39qfEJzUqtA0Zz9qk+wlrlodTIGjtH16D7DHpw2N4RT8nGCRojBw==
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...

Independent retrieval

2026-09-17T10:47:55.217834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058214
observed 84b97a35aafaa9af1e5762682da075d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.198061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058214/manifest.json
observed 26c5efb77832d131f43c79dbda20ca2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.178734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058214/publication.md
observed 1e0b43614238b02d6190723611357e24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:55.160016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058214/publication.txt
observed 02ccd83fca95e914239b35972d05ce2a...
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.