OpenTechnical

OT-2026-000073840

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000073840) never changes.

Identity and time

Publication numberOT-2026-000073840 · never reused
Internal UUID01a0ae93-2b8d-7ab7-b03c-d2a3c6199947 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073840
StatusPUBLIC

Content hashes

Canonical text6953e3a6ad281156f0f9b73d186a57b46e17cdf51298b91ee9ed999594579362
Markdown9cced85bcdf49c69cd16e46a62fe65585c7a9289295428580c6aea0941fb0dde
PDF
Publication page300e614b5001cd9e5d92bfa6b3c4e67d5f168877d4f793b6548b518fcca7988d
Manifestedf6e19bd6ea89f49f0f875ee76fa2d51c60354ac940eb23f571eb5d4dd9274c

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
SignatureqA7OZqteyGgdrpi6btTHYfT2HEttA8j1j1adrOjFbD4toBOM4LddWIZitncCEelet1nXubbSAdE4/SoJKHB0Cw==
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

2026-09-17T10:19:58.310887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073840
observed 300e614b5001cd9e5d92bfa6b3c4e67d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.291509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073840/manifest.json
observed edf6e19bd6ea89f49f0f875ee76fa2d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.270539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073840/publication.md
observed 9cced85bcdf49c69cd16e46a62fe6558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:58.251756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073840/publication.txt
observed 6953e3a6ad281156f0f9b73d186a57b4...
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.