OpenTechnical

OT-2026-000057911

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000057911) never changes.

Identity and time

Publication numberOT-2026-000057911 · never reused
Internal UUID01a0ae88-6ed9-703d-84e0-f66c227a7ac6 · 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-2026-000057911
StatusPUBLIC

Content hashes

Canonical text067e17509d2d1813f2a7058d6dac0560e51a5660de81ac85f1a1fa0932fdce8a
Markdown4f08dca8ea5e2a4e970479b2f326b7741b50c220c08b9e6a9023589fd961601b
PDF
Publication page0c2d9f8e8ba76eb1b2acd6d6831607a7e2591bde44e84b75f719d39b1d4ce631
Manifest3dc6873b3f7a35fd7fe0b178a81f6e1dc728ea2de307bf76b53acc12dd8a23ce

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
Signature9yXDrdIN7s1vZT7Z92lW6C3ODShaxdIpwZxjabgAEZlLZ4n5ZYUbLWWhtsI5mij4L24c3mIA2EIe0bC0JvR5Ag==
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

2026-09-17T10:47:31.134484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057911
observed 0c2d9f8e8ba76eb1b2acd6d6831607a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.115953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057911/manifest.json
observed 3dc6873b3f7a35fd7fe0b178a81f6e1d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.097031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057911/publication.md
observed 4f08dca8ea5e2a4e970479b2f326b774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.076891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057911/publication.txt
observed 067e17509d2d1813f2a7058d6dac0560...
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.