OpenTechnical

OT-2026-000079706

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000079706) never changes.

Identity and time

Publication numberOT-2026-000079706 · never reused
Internal UUID01a0ae96-4375-7ed0-a792-ab80fff3adb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079706
StatusPUBLIC

Content hashes

Canonical text63a895b34527344ba3ecd271daad089c745e08d3b70d31ac09f819da6881a0d7
Markdown38aee5fab30cf97c54874433524b620eb360fdcbcac8a2cd79d24920ab8f7f43
PDF
Publication page5daae83fc4d1b3bb2fa6415951da6d1eff5d8469bd99d5357870f936d17f8296
Manifest7a924e1679fed4dd1144804ef65d530a508f9b037295b1db35a721558a937816

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
SignatureEIKxdBLAU51iknVkr7wHieaOeeogZF7fAKemWIw+kOVzoV6CNBSHPRwTFOUWsHO/2NbtlFQCYD/rAk+DTmYeAA==
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

2026-09-17T10:03:28.889917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079706
observed 5daae83fc4d1b3bb2fa6415951da6d1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.872117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079706/manifest.json
observed 7a924e1679fed4dd1144804ef65d530a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.853240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079706/publication.md
observed 38aee5fab30cf97c54874433524b620e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.834733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079706/publication.txt
observed 63a895b34527344ba3ecd271daad089c...
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.