OpenTechnical

OT-2026-000053185

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000053185) never changes.

Identity and time

Publication numberOT-2026-000053185 · never reused
Internal UUID01a0ae84-a432-7fab-bdaf-59131a53e836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053185
StatusPUBLIC

Content hashes

Canonical texte512d691253bc1cdf09c580f18817431e23ea564a98057fa0bb8db34df9c9d55
Markdowncbb8df24edf74f0450d7e314ae87d23401373bdd862ec37deb45e09387e488bf
PDF
Publication page8ac4536424cde4858ffb7f4f455d7b5514c62a7548ba4bc385425e435dc28a76
Manifestd4c597c3d757dab2588555ba8ad2794927412121e936e2f916c3c1cd1e3a1ccc

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
Signatured7deeP1oBhMA/+5nl/uWo7xFfUpfZDxclYUqlXpmrO1nnLIXVheLtyNEkK6f/ozSwEvg6QKOOgP6Wy+grsfdCg==
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

2026-09-17T10:57:00.697563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053185
observed 8ac4536424cde4858ffb7f4f455d7b55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.681593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053185/manifest.json
observed d4c597c3d757dab2588555ba8ad27949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.663613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053185/publication.md
observed cbb8df24edf74f0450d7e314ae87d234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:00.646384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053185/publication.txt
observed e512d691253bc1cdf09c580f18817431...
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.